@@@IMAGE=(NOAA3L,1,1),FORMS=(CALCOV),FONTS=(NADCOV),END; STATE OF CALIFORNIA @@@FORMS=NONE,FONTS=(L0112C),END; 1 1 CONTENTS BASE LINE DESIGNATION STATE COUNTY QUAD CONCORD (1980) CALIFORNIA CONTRA COSTA N371221 CONCORD CBL (1990 REMEASURED) CALIFORNIA CONTRA COSTA N371221 FREMONT (1980) CALIFORNIA ALAMEDA N371213 FREMONT CBL (1990 REMEASURED) CALIFORNIA ALAMEDA N371213 INYOKERN CBL CALIFORNIA KERN N351174 MARINA (1980) CALIFORNIA SAN FRANCISCO N371221 MARINA (1989 NO LONGER USEABLE) CALIFORNIA SAN FRANCISCO N371221 MONTEREY BAY (1980) CALIFORNIA SANTA CRUZ N361214 MONTEREY BAY (1990 NO LONGER USEABLE) CALIFORNIA SANTA CRUZ N361214 NATOMAS LEVEE (1994 DESTROYED) CALIFORNIA SACRAMENTO N381211 NATOMAS LEVEE TWO (1994 DESTROYED) CALIFORNIA SACRAMENTO N381211 ONTARIO (1976) CALIFORNIA SAN BERNARDINO N331174 ONTARIO (1990 NO LONGER USEABLE) CALIFORNIA SAN BERNARDINO N331174 REDDING CBL 1990 (1992 UPDATES) CALIFORNIA SHASTA N401221 SILVERADO (1975) CALIFORNIA NAPA N381222 SILVERADO CBL (1990 REMEASURED) CALIFORNIA NAPA N381222 VENTURA (1987) CALIFORNIA VENTURA N381192 VENTURA (1990 VERIFIED) CALIFORNIA VENTURA N381192 YREKA CALIFORNIA SISKIYOU N411221 1 1 US DEPARTMENT OF COMMERCE - NOAA CALIBRATION BASE LINE DATA QUAD: N371221 NOS - NATIONAL GEODETIC SURVEY BASE LINE DESIGNATION: CONCORD CALIFORNIA ROCKVILLE MD 20852 - OCTOBER 29, 1986 PROJECT ACCESSION NUMBER: G15753 CONTRA COSTA COUNTY LIST OF ADJUSTED DISTANCES (JANUARY 22, 1981) ADJ. DIST.(M) ADJ. DIST.(M) STD. FROM STATION ELEV.(M) TO STATION ELEV.(M) HORIZONTAL MARK - MARK ERROR(MM) 0 15.35 150 15.15 149.9884 149.9886 .3 0 15.35 430 15.08 430.0026 430.0027 .6 0 15.35 1000 13.36 1000.0025 1000.0044 .8 150 15.15 430 15.08 280.0141 280.0142 .5 150 15.15 1000 13.36 850.0140 850.0159 .6 430 15.08 1000 13.36 569.9999 570.0025 .4 DESCRIPTION OF CONCORD BASE LINE YEAR MEASURED: 1980 CHIEF OF PARTY: WJR THE BASE LINE IS LOCATED ON THE NORTH SIDE OF PLEASANT HILL, JUST WEST OF AND PARALLEL TO INTERSTATE HIGHWAY 680, BETWEEN THE CONTRA COSTA BOULEVARD AND WILLOW PASS EXITS FROM INTERSTATE HIGHWAY 680. TO REACH THE BASE LINE FROM THE INTERSECTION OF CONTRA COSTA BOULEVARD AND INTERSTATE HIGHWAY 680 IN PLEASANT HILL, GO NORTH ON CONTRA COSTA BOULEVARD 0.5 MILE TO PLEASANT HILL PLAZA ON THE RIGHT. TURN RIGHT AND PROCEED 0.2 MILE THROUGH THE PLEASANT HILL PLAZA PARKING LOT TO A GATE IN THE FENCE AT THE EXTREME NORTHEAST CORNER OF THE LOT. GO THROUGH THE GATE, CONTINUING STRAIGHT AHEAD ABOUT 0.001 MILE TO A DIRT ROAD. TURN LEFT AND PROCEED ABOUT 0.05 MILE TO THE 0 METER POINT ON THE RIGHT. THE 0 METER POINT IS 69.5 METERS NORTH-NORTHEAST OF THE NORTHEAST CORNER OF THE FENCES AROUND THE PLEASANT HILL PLAZA PARKING LOT, 8.37 METERS WEST OF THE FENCE ALONG THE INTERSTATE HIGHWAY 680 RIGHT OF WAY, AND 7.52 METERS EAST OF THE CENTERLINE OF THE DIRT ACCESS ROAD. ALL OF THE MARKS ARE STANDARD CALIBRATION BASE LINE DISKS, SET IN 0.29 METER DIAMETER CONCRETE MONUMENT BOXES AND RECESSED ABOUT 0.14 METERS BELOW THE SURFACE. ALL OF THE MARKS ARE SET BETWEEN TWO 0.10 METER DIAMETER, 1.2 METER HIGH REFERENCE POSTS. THE BASE LINE IS A NORTH-SOUTH LINE WITH THE 0 METER POINT AT THE SOUTH END. THE LINE CONSISTS OF 0, 150, 430, AND 1000 METER POINTS, WITH POINTS SET AT APPROXIMATELY 100 AND 300 FEET ON LINE NORTH OF THE 0 METER POINT FOR THE CALIBRATION OF TAPES. THE REDUCED HORIZONTAL DISTANCES BETWEEN THE 0 TO 100 FOOT POINTS IS 99.941 FEET (30.4622 METERS) AND BETWEEN THE 0 TO 300 FOOT POINTS IS 299.948 FEET (91.4244 METERS). THE MARKS ARE STAMPED IN NUMERICAL SEQUENCE, BEGINNING WITH THE 0 METER POINT. THIS BASE LINE WAS SET IN CONJUNCTION WITH THE NORTHERN CALIFORNIA SECTION OF THE AMERICAN CONGRESS ON SURVEYING AND MAPPING. ENTRY THROUGH THE LOCKED GATE TO THE BASE LINE REQUIRES A PERMIT OBTAINED FROM E.B.M.U.D. MANAGER, WATER 2130 PRODUCTION DIVISION, P.O. BOX 228, STOCKTON, CA 95201. FOR FURTHER INFORMATION, CONTACT MR. LARRY SHIRKEY, CENTRAL CONTRA COSTA SANITARY DISTRICT SURVEY OFFICE, 5019 IMHOFF PLACE, MARTINEZ, CA 94553. TELEPHONE (415) 689-3890, EXT. 374. 1US DEPARTMENT OF COMMERCE - NOAA CALIBRATION BASE LINE DATA QUAD: N371221 NOS - NATIONAL GEODETIC SURVEY BASE LINE DESIGNATION: CONCORD CBL CALIFORNIA ROCKVILLE MD 20852 PROJECT ACCESSION NUMBER: 15753 CONTRA COSTA COUNTY NEAREST TOWN: PLEASANT HILL LIST OF ADJUSTED DISTANCES (FEBRUARY 12, 1990) ADJ. DIST.(M) ADJ. DIST.(M) STD. FROM STATION ELEV.(M) TO STATION ELEV.(M) HORIZONTAL MARK - MARK ERROR(MM) 0 15.350 150 15.143 149.9861 149.9862 0.1 0 15.350 430 15.101 429.9911 429.9911 0.3 0 15.350 1000 13.389 999.9890 999.9909 0.5 150 15.143 430 15.101 280.0050 280.0050 0.3 150 15.143 1000 13.389 850.0029 850.0047 0.5 430 15.101 1000 13.389 569.9979 570.0005 0.3 DESCRIPTION OF: CONCORD BASE LINE YEAR MEASURED: 1980 YEAR REMEASURED: 1990 CHIEF OF PARTY: LPB THE BASE LINE IS LOCATED ON THE NORTH SIDE OF PLEASANT HILL, JUST WEST OF AND PARALLEL TO INTERSTATE HIGHWAY 680, BETWEEN THE CONTRA COSTA BOULEVARD AND WILLOW PASS EXITS FROM INTERSTATE HIGHWAY 680. THE BASE LINE IS A NORTH-SOUTH LINE WITH THE 0-METER POINT ON THE SOUTH END. IT CONSISTS OF THE 0, 150, 430, AND 1000-METER POINTS, WITH POINTS SET AT APPROXIMATELY 100 AND 300 FEET ON LINE NORTH OF THE 0-METER POINT FOR THE CALIBRATION OF TAPES. TO REACH THE 0-METER POINT FROM THE INTERSECTION OF CONTRA COSTA BOULEVARD AND INTERSTATE HIGHWAY 680 IN PLEASANT HILL, GO NORTH ON CONTRA COSTA BLVD. FOR 0.8 KM (0.5 MI) TO PLEASANT HILL PLAZA (SHOPPING CENTER) ON THE RIGHT. TURN RIGHT AND GO EAST FOR 0.3 KM (0.2 MI) THROUGH THE PARKING LOT AND ON THE NORTH SIDE OF FRY'S (GROCERY STORE) TO A LOCKED GATE IN THE EXTREME NORTHEAST CORNER OF THE LOT. PROCEED THROUGH THE GATE AND CONTINUE STRAIGHT AHEAD TO A NARROW, GRAVEL ROAD. TURN LEFT AND GO NORTH ON THE ROAD FOR 0.1 KM (0.05 MI) TO THE 0-METER POINT ON THE RIGHT. THE 0-METER POINT IS A STANDARD NGS CALIBRATION BASE LINE DISK STAMPED "MON 1" SET IN THE TOP OF A 28 CM (11 IN) DIAMETER CONCRETE POST RECESSED 13 CM (5 IN) BELOW A METAL LID WHICH IS FLUSH WITH THE SURFACE OF THE GROUND. IT IS 8.2 M (26.9 FT) WEST OF A CHAIN LINK FENCE, 7.5 M (24.6 FT) EAST OF THE CENTERLINE OF THE ROAD, 0.8 M (2.6 FT) WEST OF A WITNESS POST, AND 0.7 M (2.3 FT) EAST OF A WITNESS POST. THE 150-METER POINT IS A STANDARD NGS CALIBRATION BASE LINE DISK STAMPED "MON 2" SET IN THE TOP OF A 28 CM (11 IN) DIAMETER CONCRETE POST RECESSED 13 CM (5 IN) BELOW A METAL LID WHICH IS FLUSH WITH THE SURFACE OF THE GROUND. IT IS 8.7 M (28.5 FT) EAST OF THE CENTERLINE OF THE ROAD, 7.3 M (24.0 FT) WEST OF A CHAIN LINK FENCE, 0.9 M (3.0 FT) EAST OF A WITNESS POST, AND 0.9 M (3.0 FT) WEST OF A WITNESS POST. THE 430-METER POINT IS A STANDARD NGS CALIBRATION BASE LINE DISK STAMPED "MON 3" SET IN THE TOP OF A 28 CM (11 IN) DIAMETER CONCRETE POST RECESSED 13 CM (5 IN) BELOW A METAL LID WHICH IS FLUSH WITH THE SURFACE OF THE GROUND. IT IS 9.0 M (29.5 FT) EAST OF THE CENTERLINE OF THE ROAD, 6.0 M (19.7 FT) WEST OF A CHAIN LINK FENCE, 1.0 M (3.3 FT) WEST OF A WITNESS POST, AND 0.8 M (2.6 FT) EAST OF A WITNESS POST. THE 1000-METER POINT IS A STANDARD NGS CALIBRATION BASE LINE DISK WITH NO STAMPING, SET IN THE TOP OF A 28 CM (11 IN) CONCRETE POST RECESSED 13 CM (5 IN) BELOW A METAL LID WHICH IS FLUSH WITH THE SURFACE OF THE GROUND. IT IS 6.9 M (22.6 FT) WEST OF A CHAIN LINK FENCE, 0.9 M (3.0 FT) EAST OF A WITNESS POST, AND 0.8 M (2.6 FT) WEST OF A WITNESS POST. THE 100-FOOT TAPE CALIBRATION STATION IS A BRUNSON EDMI BASE LINE DISK, WITH PUNCH MARK IN THE CENTER, STAMPED "REFERENCE MARK 1" SET IN THE TOP OF A 28 CM (11 IN) DIAMETER CONCRETE POST RECESSED 13 CM (5 IN) BELOW A METAL LID WHICH IS FLUSH WITH THE SURFACE OF THE GROUND. IT IS 8.1 M (26.6 FT) EAST OF THE CENTERLINE OF THE ROAD, 8.1 M (26.6 FT) WEST OF A CHAIN LINK FENCE, 0.8 M (2.6 FT) EAST OF A WITNESS POST, AND 0.7 M (2.3 FT) WEST OF A WITNESS POST. UPON REMEASUREMENT BY TAPING AT THIS TIME, IT WAS FOUND TO BE 99.960 FEET (30.468 M) NORTH OF THE 0-METER POINT. (THIS IS A "MARK-TO-MARK" DISTANCE). 1THE 300-FOOT TAPE CALIBRATION STATION IS A BRUNSON EDMI BASE LINE DISK, WITH A PUNCH MARK IN THE CENTER, STAMPED "REFERENCE MARK 2" SET IN THE TOP OF A 28 CM (11 IN) DIAMETER CONCRETE POST RECESSED 13 CM (5 IN) BELOW A METAL LID WHICH IS FLUSH WITH THE SURFACE OF THE GROUND. IT IS 8.1 M (26.6 FT) EAST OF THE CENTERLINE OF THE ROAD, 8.1 M (26.6 FT) WEST OF A CHAIN LINK FENCE, 0.8 M (2.6 FT) EAST OF A WITNESS POST, AND 0.7 M (2.3 FT) WEST OF A WITNESS POST. UPON REMEASUREMENT BY TAPING AT THIS TIME, IT WAS FOUND TO BE 299.953 FEET (91.426 M) NORTH OF THE 0-METER POINT. (THIS IS A "MARK-TO-MARK DISTANCE.) USER NOTES: CBL USERS SHOULD TAKE CARE IN PLUMBING OVER ALL POINTS. ELEVATIONS ARE FOR CBL USE ONLY. ENTRY THROUGH THE LOCKED GATE TO THE BASE LINE REQUIRES A PERMIT OBTAINED FROM EAST BAY MUNICIPAL UTILITIES DISTRICT (E.B.M.U.D.) MANAGER, WATER PRODUCTION DIVISION, P.O. BOX 228, STOCKTON, CA 95201. THIS BASE LINE WAS ESTABLISHED IN CONJUNCTION WITH THE NORTHERN CALIFORNIA SECTION OF THE AMERICAN CONGRESS ON SURVEYING AND MAPPING. AND WAS REMEASURED WITH ASSISTANCE FROM E.B.M.U.D. SURVEY DEPARTMENT. FOR MORE INFORMATION CONTACT JIM SWANSON AT THE E.B.M.U.D. SURVEY DEPT., 1255 21st ST, OAKLAND, CA 94607. TELEPHONE (415) 835-3000 EXT. 488. OR CONTACT MR. LARRY SHIRKEY, CENTRAL CONTRA COSTA SANITARY DISTRICT SURVEY OFFICE, 5019 IMHOFF PL, MARTINEZ, CA 94553. TELEPHONE (415) 689-3890 EXT. 374. 1US DEPARTMENT OF COMMERCE - NOAA CALIBRATION BASE LINE DATA QUAD: N371213 NOS - NATIONAL GEODETIC SURVEY BASE LINE DESIGNATION: FREMONT CALIFORNIA ROCKVILLE MD 20852 - OCTOBER 29, 1986 PROJECT ACCESSION NUMBER: G15753 ALAMEDA COUNTY LIST OF ADJUSTED DISTANCES (JANUARY 22, 1981) ADJ. DIST.(M) ADJ. DIST.(M) STD. FROM STATION ELEV.(M) TO STATION ELEV.(M) HORIZONTAL MARK - MARK ERROR(MM) 0 6.50 150 6.18 150.0091 150.0095 .3 0 6.50 430 5.59 430.0164 430.0174 .6 0 6.50 1200 4.32 1200.0307 1200.0326 .8 150 6.18 430 5.59 280.0073 280.0079 .5 150 6.18 1200 4.32 1050.0216 1050.0232 .7 430 5.59 1200 4.32 770.0142 770.0153 .5 DESCRIPTION OF FREMONT BASE LINE YEAR MEASURED: 1980 CHIEF OF PARTY: WJR THE BASE LINE IS LOCATED ON THE SOUTH SIDE OF FREMONT, JUST EAST OF AND PARALLEL TO CALIFORNIA STATE HIGHWAY 17, BETWEEN TO REACH THE BASE LINE FROM THE INTERSECTION OF CALIFORNIA STATE HIGHWAY 17 AND WARREN AVENUE ON THE SOUTHWEST SIDE OF FREMONT, GO 0.45 MILE EAST ON WARREN AVENUE TO KATO ROAD, TURN RIGHT AND CONTINUE SOUTHERLY ON KATO ROAD 0.65 MILE TO THE 0 METER POINT ON THE RIGHT IN THE ASPHALT SHOULDER OF THE ROAD. THE 0 METER POINT IS 20.7 METERS SOUTHWEST OF LIGHT POLE NUMBER 5726, 13.3 METERS WEST-SOUTHWEST OF A YELLOW FIRE HYDRANT ON THE EAST SIDE OF KATO ROAD, AND 4.3 METERS WEST OF THE CENTERLINE OF KATO ROAD. ALL OF THE MARKS ARE STANDARD CALIBRATION BASE LINE DISKS SET IN 0.65 METER DIAMETER CONCRETE MONUMENT BOXES, WITH THE DISKS RECESSED ABOUT 0.14 METERS BELOW THE SURFACE. THERE ARE NO STAMPINGS ON THE MARKS AT THIS TIME. THE BASE LINE IS A NORTH-SOUTH LINE WITH THE 0 METER POINT AT THE NORTH END. IT IS MADE UP OF 0, 150, 430, AND 1200 METER POINTS. THERE ARE ALSO MARKS AT 100, 200, AND 300 FEET FOR THE CALIBRATION OF TAPES, SET IN CONCRETE FLUSH WITH THE GROUND AND ON LINE SOUTH OF THE 0 METER POINT. ALL OF THE MARKS ARE SET IN THE ASPHALT SHOULDER OF KATO ROAD. THIS BASE LINE WAS SET IN CONJUNCTION WITH THE NORTHERN CALIFORNIA SECTION OF THE AMERICAN CONGRESS ON SURVEYING AND MAPPING. FOR FURTHER INFORMATION, CONTACT MR. BERT BURGER, SANTA CLARA VALLEY WATER DISTRICT, 5750 ALAMADEN EXPRESSWAY, SAN JOSE, CA 95118. TELEPHONE 408-265-2600 EXT. 306. 1US DEPARTMENT OF COMMERCE - NOAA CALIBRATION BASE LINE DATA QUAD: N371213 NOS - NATIONAL GEODETIC SURVEY BASE LINE DESIGNATION: FREMONT CBL CALIFORNIA ROCKVILLE MD 20852 PROJECT ACCESSION NUMBER: 15753 ALAMEDA COUNTY NEAREST TOWN: FREMONT LIST OF ADJUSTED DISTANCES (FEBRUARY 12, 1990) ADJ. DIST.(M) ADJ. DIST.(M) STD. FROM STATION ELEV.(M) TO STATION ELEV.(M) HORIZONTAL MARK - MARK ERROR(MM) 0 6.500 150 6.192 150.0118 150.0121 0.1 0 6.500 430 5.589 430.0174 430.0183 0.3 0 6.500 1200 4.319 1200.0213 1200.0233 0.4 150 6.192 430 5.589 280.0056 280.0063 0.3 150 6.192 1200 4.319 1050.0095 1050.0112 0.4 430 5.589 1200 4.319 770.0039 770.0050 0.3 DESCRIPTION OF: FREMONT BASE LINE YEAR MEASURED: 1980 YEAR REMEASURED: 1990 CHIEF OF PARTY: LPB THE BASE LINE IS LOCATED ON THE SOUTH SIDE OF FREMONT, JUST EAST OF AND PARALLEL TO INTERSTATE HIGHWAY 880 (NIMITZ FREEWAY), ALONG THE SOUTHWEST SIDE OF KATO ROAD, BETWEEN WARREN AVENUE AND DIXON LANDING ROAD. THE BASE LINE IS A NORTHWEST-SOUTHEAST LINE WITH THE 0-METER POINT ON THE NORTHWEST END. IT CONSISTS OF THE 0, 150, 430, AND 1200- METER POINTS WITH 100, 200, AND 300-FOOT TAPE CALIBRATION STATIONS LOCATED ON LINE, SOUTHEAST OF THE 0-METER POINT. TO REACH THE 0-METER POINT FROM THE INTERSECTION OF INTERSTATE HIGHWAY 880 AND WARREN AVENUE ON THE SOUTHWEST SIDE OF FREMONT, GO EAST ON WARREN AVENUE FOR 0.7 KM (0.45 MI) TO KATO ROAD ON THE RIGHT. TURN RIGHT AND GO SOUTHERLY ON KATO ROAD FOR 1.0 KM (0.65 MI) TO A SAFEWAY SPICE AND DESSERT PLANT ON THE LEFT AND THE 0-METER POINT ON THE RIGHT, IN THE ASPHALT SHOULDER OF THE ROAD. THE 0-METER POINT IS A STANDARD NGS CALIBRATION BASE LINE DISK, WITHOUT STAMPING, SET IN A 64 CM (25 IN) CONCRETE POST RECESSED 10 CM (4 IN) BELOW THE SURFACE OF THE ASPHALT. IT IS 20.4 M (66.9 FT) NORTHEAST OF A BARBED WIRE FENCE, 13.2 M (43.3 FT) SOUTHWEST OF A YELLOW FIRE HYDRANT, 4.3 M (14.1 FT) SOUTHWEST OF THE CENTERLINE OF KATO ROAD, 3.2 M (10.5 FT) NORTHEAST OF A WITNESS POST, AND 0.4 M (1.3 FT) SOUTHWEST OF THE SOUTHWEST EDGE OF THE SOUTH-BOUND LANE OF KATO ROAD. THE 150-METER POINT IS A STANDARD NGS CALIBRATION BASE LINE DISK, WITHOUT STAMPING, SET IN A 71 CM (28 IN) CONCRETE POST RECESSED 10 CM (4 IN) BELOW THE SURFACE OF THE ASPHALT. IT IS 20.5 M (67.3 FT) NORTHEAST OF A BARBED WIRE FENCE, 16.0 M (52.5 FT) WEST OF LIGHT POLE #5728, 4.3 M (14.1 FT) SOUTHWEST OF THE CENTERLINE OF KATO ROAD, 3.2 M (10.5 FT) NORTHEAST OF A WITNESS POST, AND 0.4 M (1.3 FT) SOUTHWEST OF THE SOUTHWEST EDGE OF THE SOUTH-BOUND LANE OF KATO ROAD. THE 430-METER POINT IS A STANDARD NGS CALIBRATION BASE LINE DISK, WITHOUT STAMPING, SET IN A 63 CM (25 IN) CONCRETE POST RECESSED 10.CM (4 IN) BELOW THE SURFACE OF THE ASPHALT. IT IS 20.8 M (68.2 FT) NORTHEAST OF A BARBED WIRE FENCE, 12.6 M (41.3 FT) SOUTHWEST OF LIGHT POLE #5731, 4.2 M (13.8 FT) SOUTHWEST OF THE CENTERLINE OF KATO ROAD, 3.1 M (10.2 FT) NORTHEAST OF A WITNESS POST, AND 0.4 M (1.3 FT) SOUTHWEST OF THE SOUTHWEST EDGE OF THE SOUTH-BOUND LANE OF KATO ROAD. THE 1200-METER POINT IS A STANDARD NGS CALIBRATION BASE LINE DISK, WITHOUT STAMPING, SET IN A 61 CM (24 IN) CONCRETE POST RECESSED 12 CM (5 IN) BELOW THE SURFACE OF THE ASPHALT. IT IS 24.5 M (80.4 FT) EAST OF A TALL SIGN WHICH READS "ORCHARD PROPERTIES FREMONT", 20.0 M (65.6 FT) SOUTHWEST OF A LOW, CONCRETE SIGN WHICH READS "SUTTER HILL FREMONT", 19.2 M (63.0 FT) SOUTHEAST OF THE INTERSECTION OF PAGE AVENUE (WITH KATO ROAD), 5.0 M (16.4 FT) SOUTHWEST OF THE CENTERLINE OF KATO ROAD, 1.6 M (5.2 FT) NORTHEAST OF A WITNESS POST, AND 1.3 M (4.3 FT) SOUTHWEST OF THE SOUTHWEST EDGE OF THE SOUTH-BOUND LANE OF KATO ROAD. THE 100-FOOT TAPE CALIBRATION STATION IS A STANDARD NGS CALIBRATION BASE LINE TAPING DISK WITHOUT STAMPING, SET IN THE TOP OF A 34 CM (13 IN) SQUARE CONCRETE POST FLUSH WITH THE SURFACE OF THE GROUND. IT IS 4.2 M (13.8 FT) SOUTHWEST OF THE CENTERLINE OF KATO ROAD, 3.0 M (9.8 FT) NORTHEAST OF A WITNESS POST, AND 0.5 M (1.6 FT) SOUTHWEST OF THE SOUTHWEST EDGE OF THE SOUTH-BOUND LANE OF KATO ROAD. UPON RETAPING, THIS MARK WAS FOUND TO BE 100.00 FEET FROM THE 0-METER POINT. THE 200-FOOT TAPE CALIBRATION STATION IS A STANDARD NGS CALIBRATION BASE LINE TAPING DISK WITHOUT STAMPING, SET IN THE TOP OF A 41 CM (16 IN) DIAMETER CONCRETE POST FLUSH WITH THE SURFACE OF THE GROUND. IT IS 10.2 M (33.5 FT) NORTHEAST OF THE NORTHWEST END OF A CHAIN LINK FENCE, 4.3 M (14.1 FT) SOUTHWEST OF THE CENTERLINE OF KATO ROAD, 3.1 M (10.2 FT) NORTHEAST OF A WITNESS POST, AND 0.4 M (1.3 FT) SOUTHWEST OF THE SOUTHWEST EDGE OF THE SOUTH-BOUND LANE OF KATO ROAD. UPON RETAPING THE MARK WAS FOUND TO BE 100.00 FEET FROM THE 100-FOOT POINT. 1THE 300-FOOT TAPE CALIBRATION STATION IS A STANDARD NGS CALIBRATION BASE LINE TAPING DISK WITHOUT STAMPING, SET IN THE TOP OF A 43 CM (17 IN) DIAMETER CONCRETE POST FLUSH WITH THE GROUND. IT IS 13.1 M (43.0 FT) SOUTH OF A YELLOW FIRE HYDRANT, 4.3 M (14.1 FT) SOUTHWEST OF THE CENTERLINE OF KATO ROAD, 3.1 M (10.2 FT) NORTHEAST OF A WITNESS POST, AND 0.5 M (1.6 FT) SOUTHWEST OF THE SOUTHWEST EDGE OF THE SOUTH-BOUND LANE OF KATO ROAD. UPON RETAPING, THIS MARK WAS FOUND TO BE 100.015 FEET FROM THE 200-FOOT POINT. USER NOTES: CBL USERS SHOULD TAKE CARE IN PLUMBING OVER ALL POINTS. HEAVY TRAFFIC ON KATO ROAD, AND SET-UPS ON ASPHALT SURFACE MAKE COLLIMATION VERY DIFFICULT TO MAINTAIN. ELEVATIONS ARE FOR CBL USE ONLY. THIS CALIBRATION BASE LINE WAS ESTABLISHED IN CONJUNCTION WITH THE NORTHERN CALIFORNIA SECTION OF THE AMERICAN CONGRESS ON SURVEYING AND MAPPING. FOR MORE INFORMATION CONTACT MR. GARY FALER, SANTA CLARA VALLEY WATER DISTRICT, 5750 ALAMADEN EXPRESSWAY, SAN JOSE, CA 95118. TELEPHONE 408-265-2600 EXT. 306. 1US DEPARTMENT OF COMMERCE - NOAA CALIBRATION BASE LINE DATA QUAD: N351174 NOS - NATIONAL GEODETIC SURVEY BASE LINE DESIGNATION: INYOKERN CBL CALIFORNIA ROCKVILLE MD 20852 PROJECT ACCESSION NUMBER: 15753 KERN COUNTY NEAREST TOWN: INYOKERN LIST OF ADJUSTED DISTANCES (JANUARY 2, 1990) ADJ. DIST.(M) ADJ. DIST.(M) STD. FROM STATION ELEV.(M) TO STATION ELEV.(M) HORIZONTAL MARK - MARK ERROR(MM) 0 736.000 150 737.496 150.0000 150.0075 0.1 0 736.000 400 739.625 400.0117 400.0282 0.4 0 736.000 1000 746.624 1000.0191 1000.0755 0.5 150 737.496 400 739.625 250.0117 250.0208 0.3 150 737.496 1000 746.624 850.0191 850.0681 0.5 400 739.625 1000 746.624 600.0073 600.0481 0.3 A TAPE CALIBRATION MONUMENT WAS SET AT 100 FOOT POINT OF THE BASELINE. REDUCED MARK TO MARK DISTANCE IS 100.00 FT. DESCRIPTION OF INYOKERN BASE LINE YEAR MEASURED: 1989 CHIEF OF PARTY: LPB THE BASE LINE IS LOCATED ABOUT 16.0 KM (10.0 MI) WEST OF RIDGECREST, IN THE SMALL TOWN OF INYOKERN, AT THE INYOKERN AIRPORT. THE BASE LINE LIES ALONG AN ASPHALT ROAD WHICH IS NORTHEAST OF AND APPROXIMATELY PARALLEL TO RUNWAY #28. THE BASE LINE IS A NORTHWEST-SOUTHEAST LINE WITH THE 0-METER POINT ON THE SOUTHEAST END. IT CONSISTS OF THE 0, 150, 400, AND 1000- METER POINTS WITH A 100-FOOT TAPE CALIBRATION STATION LOCATED BETWEEN AND IN LINE WITH THE 0 AND 150-METER POINTS. TO REACH THE 0-METER POINT FROM THE JUNCTION OF U.S. HIGHWAY 395 AND STATE HIGHWAY 178 IN INYOKERN, GO WEST ON STATE HIGHWAY 178 FOR 2.2 KM (1.35 MI) TO THE AIRPORT ENTRANCE ON THE RIGHT. TURN RIGHT AND GO NORTH ON THE ROAD FOR 1.02 KM (0.63 MI) TO THE NORTHEAST CORNER OF THE PARKING AREA. CONINUE STRAIGHT ONTO THE DIRT AND GO NORTH FOR 0.13 KM (0.08 MI) TO THE INTERSECTION WITH THE TAXIWAY. TURN RIGHT ONTO THE TAXIWAY AND GO NORHTEAST 0.95 KM (0.59 MI) TO A CURVE LEFT IN THE TAXIWAY. CONTINUE NORTH ON THE TAXIWAY FOR 0.2 KM (0.12 MI) TO THE INTERSECTION OF RUNWAYS #20 AND #28 AND A ROAD LEADING TO THE NORTH. CONTINUE NORTH ON THE ROAD FOR 0.2 KM (0.12 MI) TO A CURVE TO THE LEFT, AND THE 0-METER POINT ON THE LEFT. THE 150 AND 400-METER POINTS ARE 0.15 KM (0.09 MI) AND 0.4 KM (0.25 MI) NORTHWEST ALONG THE ROAD FROM THE 0-METER POINT RESPECTIVELY. TO REACH THE 1000-METER POINT FROM THE 0-METER POINT GO NORTHWEST ALONG THE ROAD FOR 0.89 KM (0.55 MI) TO A CURVE LEFT. CONTINUE ON THE STRAIGHT LINE EXTENSION OF THE ROAD FOR 0.11 KM (0.07 MI) TO THE 1000-METER POINT. THE 0-METER POINT IS A STANDARD NGS CALIBRATION BASE LINE DISK STAMPED "0 1989" RECESSED 10 CM (4 IN) BELOW A COVER PLATE. THE 28 CM (11 IN) DIAMETER CAST IRON COVER PLATE, MARKED "MONUMENT", IS SET IN THE TOP OF A 71 CM (28 IN) DIAMETER CONCRETE POST FLUSH WITH THE SURFACE OF THE GROUND. IT IS 8.0 M (26.2 FT) NORTHEAST OF THE NORTHEAST EDGE OF THE PAVEMENT, AND 1.1 M (3.6 FT) SOUTHWEST OF A WITNESS POST. THE 150-METER POINT IS A STANDARD NGS CALIBRATION BASE LINE DISK STAMPED "150 1989" RECESSED 8 CM (3 IN) BELOW A COVER PLATE. THE 28 CM (11 IN) DIAMETER CAST IRON COVER PLATE, MARKED "MONUMENT", IS SET IN THE TOP OF A 66 CM (26 IN) DIAMETER CONCRETE POST FLUSH WITH THE SURFACE OF THE GROUND. IT IS 7.1 M (23.3 FT) NORTHEAST OF THE NORTHEAST EDGE OF THE PAVEMENT, AND 1.9 M (6.2 FT) NORTH OF A WITNESS POST. THE 400-METER POINT IS A STANDARD NGS CALIBRATION BASE LINE DISK STAMPED "400 1989" RECESSED 10 CM (4 IN) BELOW A COVER PLATE. THE 28 CM (11 IN) DIAMETER CAST IRON COVER PLATE, MARKED "MONUMENT", IS SET IN THE TOP OF A 61 CM (24 IN) DIAMETER CONCRETE POST FLUSH WITH THE SURFACE OF THE GROUND. IT IS 5.8 M (19.0 FT) NORTHEAST OF THE NORTHEAST EDGE OF THE PAVEMENT, AND 1.5 M (4.9 FT) NORTHEAST OF A WITNESS POST. THE 1000-METER POINT IS A STANDARD NGS CALIBRATION BASE LINE DISK STAMPED "1000 1989" RECESSED 8 CM (3 IN) BELOW A COVER PLATE. THE 28 CM (11 IN) DIAMETER CAST IRON COVER PLATE, MARKED "MONUMENT", IS SET IN THE TOP OF A 66 CM (26 IN) DIAMETER CONCRETE POST FLUSH WITH THE SURFACE OF THE GROUND. IT IS 5.5 M (18.0 FT) NORTHEAST OF THE EXTENSION OF THE PAVEMENT, AND 1.6 M (5.2 FT) NORTHEAST OF A WITNESS POST. THE 100-FOOT TAPE CALIBRAION STATION IS A STANDARD NGS CALIBRATION BASELINE TAPING DISK STAMPED "100 FT 1989" RECESSED 8 CM (3 IN) BELOW A COVER PLATE. THE 28 CM (11 IN) DIAMETER CAST IRON COVER PLATE, MARKED "MONUMENT", IS SET IN THE TOP OF A 53 CM (21 IN) DIAMETER CONCRETE POST FLUSH WITH THE SURFACE OF THE GROUND. IT IS 30.48 M (100 FT) NORTHWEST OF THE 0-METER POINT , 7.7 M (25.3 FT) NORTHEAST OF THE NORTHEAST EDGE OF THE PAVEMENT, AND 1.0 (3.3 FT) NORTHEAST OF A WITNESS POST. 1USER NOTES: CBL USERS SHOULD TAKE CARE IN PLUMBING OVER ALL POINTS. ELEVATIONS ARE FOR CBL USE ONLY. REMEMBER THAT AIRCRAFT ALWAYS HAVE THE RIGHT-OF-WAY AT AIRPORTS. PLEASE INFORM THE AIRPORT MANAGER OF YOUR ACTIVITIES. THE AIRPORT MANAGER IS MRS. NANCY BASS, AND SHE MAY BE CONTACTED AT THE INYOKERN AIRPORT, P.O. BOX 634, INYOKERN, CA 93527. TELEPHONE (619) 377-5844. THIS CALIBRATION BASE LINE WAS ESTABLISHED IN CONJUNCTION WITH THE BUREAU OF LAND MANAGEMENT. FOR MORE INFORMATION CONTACT MR. ROGER MERCER, SUPERVISORY LAND SURVEYOR, BUREAU OF LAND MANAGEMENT, P.O. BOX 1419, RIDGECREST, CA 93555. TELEPHONE (619) 446-4422. 1US DEPARTMENT OF COMMERCE - NOAA CALIBRATION BASE LINE DATA QUAD: N371221 NOS - NATIONAL GEODETIC SURVEY BASE LINE DESIGNATION: MARINA CALIFORNIA ROCKVILLE MD 20852 - OCTOBER 29, 1986 PROJECT ACCESSION NUMBER: G15753 SAN FRANCISCO COUNTY *** MARINA BASE LINE *** NO LONGER USEABLE *** SEE NEW DESCRIPTION *** LIST OF ADJUSTED DISTANCES (JANUARY 9, 1981) ADJ. DIST.(M) ADJ. DIST.(M) STD. FROM STATION ELEV.(M) TO STATION ELEV.(M) HORIZONTAL MARK - MARK ERROR(MM) 0 2.24 150 2.31 149.9998 149.9998 .3 0 2.24 700 2.27 700.0087 700.0087 .6 0 2.24 1248 2.06 1248.3971 1248.3971 .8 150 2.31 700 2.27 550.0088 550.0088 .5 150 2.31 1248 2.06 1098.3973 1098.3973 .7 700 2.27 1248 2.06 548.3885 548.3885 .5 DESCRIPTION OF MARINA BASE LINE YEAR MEASURED: 1980 CHIEF OF PARTY: WJR THE BASE LINE IS LOCATED ON THE NORTH SIDE OF SAN FRANCISCO, ALONG THE MARINA GREEN ON THE NORTH SIDE OF MARINA BOULEVARD BETWEEN THE EAST HARBOR YACHT BASIN AND THE PRESIDIO. THIS BASE LINE IS ON THE LOCATION OF THE OLD SAN FRANCISCO BASE LINE, WHICH WAS DESTROYED BY CONSTRUCTION. ONLY THE 1248 METER POINT REMAINS FROM THE ORIGINAL BASE LINE. TO REACH THE BASE LINE FROM THE TOLL PLAZA ON THE SOUTH EDGE OF THE GOLDEN GATE BRIDGE, GO SOUTHERLY ON UNITED STATES HIGHWAY 101 FOR 1.4 MILES TO THE JUNCTION WITH MARINA BOULEVARD. BEAR LEFT AND GO EAST ON MARINA BOULEVARD 0.25 MILE TO LYON STREET. TURN LEFT ON LYON ST. TO THE 0 METER POINT ON THE RIGHT, DIRECTLY ACROSS LYON STREET FROM THE ENTRANCE TO THE PRESIDIO. THE 0 METER POINT IS SET IN A 0.60 METER SQUARE CONCRETE MONUMENT BOX AT THE SOUTHWEST CORNER OF THE SIDEWALK ON THE NORTH SIDE OF MARINA BOULEVARD. IT IS 22.0 METERS EAST OF THE NORTH EDGE OF THE GATE TO THE PRESIDIO, 10.14 METERS EAST OF THE CENTERLINE OF LYON STREET, 8.7 METERS WEST OF THE 0 FOOT POINT OF THE 100 FOOT CALIBRATION LINE, AND 4.55 METERS NORTH OF THE CENTERLINE OF THE RAILROAD TRACKS. THE BASE LINE IS AN EAST-WEST LINE WITH THE 0 METER POINT AT THE WEST END. IT CONSISTS OF 0, 150, 700, AND 1248 METER POINTS. THERE ARE ALSO 0 FOOT AND 100 FOOT POINTS FOR THE CALIBRATION OF TAPES, SET ON LINE EAST OF THE 0 METER POINT. THE 0, 150, AND 700 METER MARKS ARE PLAIN 0.05 METER DIAMETER BRASS DISKS SET ABOUT 0.12 METERS BELOW THE SURFACE, IN 0.16 METER DIAMETER MONUMENT BOXES WITH CITY MONUMENT STAMPED ON THE COVERS. THE 1248 METER POINT IS AN ESCUTCHEON PIN SET IN A 0.05 METER DIAMETER PIPE, RECESSED 0.17 METERS BELOW THE SURFACE AND SET IN A SIMILAR MONUMENT BOX. THE 0 AND 100 FOOT POINTS ARE BRASS DISKS SET ABOVE THE GROUND ON 0.5 METER HIGH POSTS AND MARKED BY THREE REFERENCE POSTS, EACH OF WHICH ARE SET ABOUT 0.35 METERS FROM THE CALIBRATION POINTS. THIS BASE LINE WAS SET IN CONJUNCTION WITH THE CITY OF SAN FRANCISCO AND THE NORTHERN CALIFORNIA SECTION OF THE AMERICAN CONGRESS ON SURVEYING AND MAPPING. FOR FURTHER INFORMATION, CONTACT MR. ED BAGNANI, SURVEY DEPARTMENT, STATE OF CALIFORNIA, DEPT. OF TRANSPORTATION, P.O. BOX 3366, RINCON ANNEX, SAN FRANCISCO, CA 94119, (415) 557-2837. *** MARINA BASE LINE *** NO LONGER USEABLE *** SEE USER NOTES *** DESCRIPTION OF: MARINA BASE LINE YEAR MEASURED: 1980 YEAR RECOVERED: 1989 - COMMENT: NO LONGER USEABLE (SEE USER NOTES BELOW) CHIEF OF PARTY: LPB THE BASE LINE IS LOCATED ON THE NORTH SIDE OF SAN FRANCISCO, ALONG THE MARINA GREEN ON THE NORTH SIDE OF MARINA BOULEVARD, BETWEEN THE EAST HARBOR YACHT BASIN AND THE PRESIDIO. THIS BASE LINE IS ON THE LOCATION OF THE OLD SAN FRANCISCO BASE LINE WHICH WAS DESTROYED BY CONSTRUCTION. THE BASE LINE IS AN EAST-WEST LINE WITH THE 0-METER POINT ON THE WEST END. IT CONSISTS OF THE 0, 150, AND 700-METER POINTS. THERE ARE ALSO 0 AND 100-FOOT POINTS FOR THE CALIBRATION OF TAPES, SET ON LINE EAST OF THE 0-METER POINT. 1TO REACH THE BASE LINE FROM THE TOLL PLAZA ON THE SOUTH END OF THE GOLDEN GATE BRIDGE, GO SOUTH ON U.S. HIGHWAY 101 FOR 2.3 KM (1.4 MI) TO THE JUNCTION OF MARINA BLVD. BEAR LEFT AND GO EAST ON MARINA BLVD. FOR 0.4 KM (0.25 MI) TO LYON STREET. TURN LEFT ON LYON STREET TO THE 0-METER POINT ON THE RIGHT, DIRECTLY ACROSS LYON STREET FROM THE ENTRANCE TO THE PRESIDIO. THE 0-METER POINT IS SET IN A 60 CM (24 IN) SQUARE CONCRETE MONUMENT BOX AT THE SOUTHWEST CORNER OF THE SIDEWALK, ON THE NORTH SIDE OF MARINA BOULEVARD. IT IS 22.0 M (72.2 FT) EAST OF THE NORTH END OF THE GATE TO THE PRESIDIO, 10.14 M (33.3 FT) EAST OF THE CENTERLINE OF LYON STREET, 8.7 M (28.5 FT) WEST OF THE 0-FOOT POINT OF THE 100-FOOT TAPE CALIBRATION LINE, AND 4.55 M (14.9 FT) NORTH OF THE CENTERLINE OF THE RAILROAD TRACKS. THE 0, 150, AND 700-METER MARKS ARE PLAIN 0.05 M (2 IN) DIAMETER BRASS DISKS SET ABOUT 0.12 M (5 IN) BELOW THE SURFACE, IN 0.6 M (24 IN) SQUARE CONCRETE MONUMENT BOXES WITH CITY MONUMENT STAMPED ON THE COVERS. THE 0 AND 100-FOOT POINTS ARE BRASS DISKS SET ABOVE THE GROUND ON 0.5 M (20 IN) HIGH POSTS AND MARKED BY THREE REFERENCE POSTS, EACH OF WHICH ARE ABOUT 0.35 M (14 IN) FROM THE CALIBRATION POINTS. THIS BASE LINE WAS ESTABLISHED IN CONJUNCTION WITH THE CITY OF SAN FRANCISCO AND THE NORTHERN CALIFORNIA SECTION OF THE AMERICAN CONGRESS ON SURVEYING AND MAPPING. FOR MORE INFORMATION CONTACT MR. ED BAGNANI, CALTRANS SURVEYS, ROOM 662, P.O. BOX 7310, SAN FRANCISCO, CA 94120, TELEPHONE (415) 557-2029. USER NOTES: NO REMEASUREMENT WAS MADE AT THIS TIME BECAUSE THE 1248-METER POINT WAS NOT FOUND. IT WAS PROBABLY DESTROYED BY NEW ASPHALT AND CONCRETE. THIS CBL SITE HAS DETERIORATED IN THE LAST FEW YEARS BECAUSE OF RENOVATION IN THE IMMEDIATE AREA. SEVERAL SIGNS, FIVE "PORTA-POTTIES", AND LOTS OF LANDSCAPED BUSHES WERE FOUND TO BE ON LINE. THIS, COUPLED WITH HEAVY PEDESTRIAN TRAFFIC, RENDERS THIS SITE UNSAT/UNUSEABLE AT THIS TIME. 1US DEPARTMENT OF COMMERCE - NOAA CALIBRATION BASE LINE DATA QUAD: N361214 NOS - NATIONAL GEODETIC SURVEY BASE LINE DESIGNATION: MONTEREY BAY CALIFORNIA ROCKVILLE MD 20852 - OCTOBER 29, 1986 PROJECT ACCESSION NUMBER: G15753 SANTA CRUZ COUNTY *** MONTEREY BAY BASE LINE *** NO LONGER USEABLE *** SEE NEW DESCRIPTION *** LIST OF ADJUSTED DISTANCES (JANUARY 22, 1981) ADJ. DIST.(M) ADJ. DIST.(M) STD. FROM STATION ELEV.(M) TO STATION ELEV.(M) HORIZONTAL MARK - MARK ERROR(MM) 0 3.05 150 2.93 150.0086 150.0086 .4 0 3.05 430 2.82 430.0094 430.0095 .6 0 3.05 1400 2.39 1400.0044 1400.0046 .9 150 2.93 430 2.82 280.0008 280.0009 .5 150 2.93 1400 2.39 1249.9958 1249.9959 .8 430 2.82 1400 2.39 969.9950 969.9951 .5 DESCRIPTION OF MONTEREY BAY BASE LINE YEAR MEASURED: 1980 CHIEF OF PARTY: WJR THE BASE LINE IS LOCATED ABOUT 1 MILE SOUTHWEST OF WATSONVILLE, 1 MILE NORTHEAST OF SUNSET STATE BEACH, AND ALONG THE EASTERN SHOULDER OF BEACH ROAD. TO REACH THE BASE LINE FROM THE INTERSECTION OF CALIFORNIA STATE HIGHWAY 1 AND CALIFORNIA STATE HIGHWAY 129, GO SOUTHWEST ON HIGHWAY 129 0.05 MILE TO LEE ROAD, TURN RIGHT AND CONTINUE ON LEE ROAD FOR 0.1 MILE TO BEACH ROAD. TURN LEFT ON BEACH ROAD AND PROCEED 0.5 MILE TO THE 0 METER POINT ON THE LEFT, JUST PAST THE INTERSECTION WITH SAN ANDREAS ROAD. THE 0 METER POINT IS 16.0 METERS EAST-NORTHEAST OF AN IRRIGATION VENT, 15.0 METERS EAST-NORTHEAST OF POWER POLE NUMBER 2238, 4.35 METERS EAST-SOUTHEAST OF THE INTERSECTION OF CENTERLINES OF BEACH ROAD AND SAN ANDREAS ROAD, 0.84 METERS NORTHEAST OF A STATE HIGHWAY WITNESS POST, AND 0.35 METERS SOUTHEAST OF THE EAST EDGE OF BEACH ROAD. ALL OF THE MARKS ARE STANDARD CALIBRATION BASE LINE DISKS RECESSED ABOUT 0.14 METERS BELOW THE SURFACE AND SET IN 0.60 METER SQUARE CONCRETE MONUMENT BOXES. THE MARKS ARE NOT STAMPED AT THIS TIME. THE BASE LINE IS A SOUTHWEST-NORTHEAST LINE, WITH THE 0 METER POINT AT THE NORTHEAST END. IT IS MADE UP OF 0, 150, 430, AND 1400 METER POINTS WITH A POINT FOR THE CALIBRATION OF 200 FOOT TAPES SET SOUTHWEST OF THE 0 METER POINT. ALL OF THE MARKS ARE SET ALONG THE SHOULDER OF BEACH ROAD, BETWEEN THE ROAD AND AN IRRIGATION DITCH. THIS BASE LINE WAS SET IN CONJUNCTION WITH THE NORTHERN CALIFORNIA SECTION OF THE AMERICAN CONGRESS ON SURVEYING AND MAPPING AND THE MONTEREY BAY CHAPTER OF THE CALIFORNIA LAND SURVEYORS ASSOCIATION. FOR FURTHER INFORMATION CONTACT MR. GEORGE R. DUNBAR LAND SURVEYS, P.O. BOX 1018, SANTA CRUZ, CA, 95061, (408) 425-7533. *** MONTEREY BAY BASE LINE *** NO LONGER USEABLE *** SEE USER NOTES *** DESCRIPTION OF: MONTEREY BAY BASE LINE YEAR MEASURED: 1980 YEAR RECOVERED: 1990 - NO LONGER USEABLE (SEE USER NOTES BELOW) CHIEF OF PARTY: LPB THE BASE LINE IS LOCATED ABOUT 1.6 KM (1.0 MI) SOUTHWEST OF WATSONVILLE, 1.6 KM (1.0 MI) NORTHEAST OF SUNSET STATE BEACH, AND LIES ALONG THE SOUTH-EAST SHOULDER OF BEACH AVENUE. THE BASE LINE IS A NORTHEAST-SOUTHWEST LINE WITH THE 0-METER POINT ON THE NORTHEAST END. IT CONSISTS OF THE 0, 150, 430, AND 1400- METER POINTS, AND USED TO HAVE A 200-FOOT TAPE CALIBRATION STATION WHICH HAS BEEN DESTROYED BY GROUND MOVEMENT. TO REACH THE 0-METER POINT FROM THE INTERSECTION OF STATE HIGHWAY 1 AND BEACH ROAD ON THE SOUTHWEST SIDE OF WATSONVILLE, GO SOUTHWEST ON BEACH ROAD FOR 0.25 KM (0.15 MI) TO THE INTERSECTION OF LEE ROAD. CONTINUE SOUTHWEST ON BEACH ROAD FOR 2.3 KM (1.45 MI) TO SAN ANDREAS ROAD ON THE RIGHT. CONTINUE AHEAD ON BEACH ROAD FOR 0.1 KM (0.05 MI) TO THE 0-METER POINT ON THE LEFT, AT THE INTERSECTION OF A SMALL, SIDE ROAD RIGHT. 1THE 0-METER POINT IS A STANDARD NGS CALIBRATION BASE LINE DISK SET IN A 61 CM (24 IN) SQUARE CONCRETE BOX WITH COVER. THE BOX IS FLUSH WITH THE GROUND AND THE MARK IS RECESSED 13 CM (5 IN) BELOW THE COVER. IT IS 4.2 M (13.8 FT) SOUTHEAST OF THE CENTERLINE OF BEACH ROAD, 1.2 M (3.9 FT) SOUTHWEST OF A "T" INTERSECTION SIGN, AND 0.7 M (2.3 FT) NORTHWEST OF A WITNESS POST. THE 150-METER POINT IS A STANDARD NGS CALIBRATION BASE LINE DISK SET IN A 56 CM (22 IN) SQUARE CONCRETE BOX WITH COVER. THE BOX IS FLUSH WITH THE GROUND AND THE MARK IS RECESSED 15 CM (6 IN) BELOW THE COVER. IT IS 5.2 M (17.1 FT) SOUTHWEST OF A "STOP AHEAD" SIGN, 3.6 M (11.8 FT) SOUTHEAST OF THE CENTERLINE OF BEACH ROAD, AND 1.0 M (3.3 FT) NORTHWEST OF A WITNESS POST. THE 430-METER POINT IS A STANDARD NGS CALIBRATION BASE LINE DISK SET IN A 56 CM (22 IN) SQUARE CONCRETE BOX WITH COVER. THE BOX IS FLUSH WITH THE GROUND AND THE MARK IS RECESSED 15 CM (6 IN) BELOW THE COVER. IT IS 3.5 M (11.5 FT) SOUTHEAST OF THE CENTERLINE OF BEACH ROAD, AND 1.2 M (3.9 FT) NORTHWEST OF A WITNESS POST. THE 1400-METER POINT IS A STANDARD NGS CALIBRATION BASE LINE DISK SET IN A 56 CM (22 IN) SQUARE CONCRETE BOX WITH COVER. THE BOX IS FLUSH WITH THE GROUND AND THE MARK IS RECESSED 15 CM (6 IN) BELOW THE COVER. IT IS 3.6 M (11.8 FT) SOUTHEAST OF THE CENTERLINE OF BEACH ROAD, AND 1.0 M (3.3 FT) NORTHWEST OF A WITNESS POST. THIS BASE LINE WAS ESTABLISHED IN CONJUNCTION WITH THE NORTHERN CALIFORNIA SECTION OF THE AMERICAN CONGRESS ON SURVEYING AND MAPPING, AND THE MONTEREY BAY CHAPTER OF THE CALIFORNIA LAND SURVEYORS ASSOCIATION. FOR MORE INFORMATION CONTACT MR. DAVE EDSON, P.L.S., MONTEREY BAY ENGINEERS, INC., 607 CHARLES AVENUE, SUITE B, SEASIDE, CA 93955, TELEPHONE (408) 899-7899. USER NOTES: THIS BASE LINE WAS NOT MEASURED AT THIS TIME, PRIMARILY BECAUSE OF A HIGHWAY SIGN WHICH IS ON LINE. ALSO, THIS SITE HAS DETERIORATED, AS NOTED BY THE ELIMINATION OF THE 200-FOOT TAPE CALIBRATION STATION, BECAUSE OF THE CLOSE PROXIMITY OF A DRAINAGE DITCH AND A WIDENED HIGHWAY. IN MY JUDGEMENT, THESE TWO ELEMENTS MAKE THIS CBL UNSTABLE, UNSATISFACTORY, AND UNSAFE TO REMEASURE. I HAVE RECOMMENDED THAT A SITE BE FOUND FOR THE ESTABLISHMENT OF A NEW BASE LINE. REVISED CONTACT 03/15/91. 1US DEPARTMENT OF COMMERCE - NOAA CALIBRATION BASE LINE DATA QUAD: N381211 NOS - NATIONAL GEODETIC SURVEY BASE LINE DESIGNATION: NATOMAS LEVEE CALIFORNIA ROCKVILLE MD 20852 - OCTOBER 29, 1986 PROJECT ACCESSION NUMBER: G15753 SACRAMENTO COUNTY LIST OF ADJUSTED DISTANCES (JANUARY 9, 1981) ADJ. DIST.(M) ADJ. DIST.(M) STD. FROM STATION ELEV.(M) TO STATION ELEV.(M) HORIZONTAL MARK - MARK ERROR(MM) NATOMAS LEVEE EDM A 11.50 NATOMAS LEVEE EDM D 11.34 150.0007 150.0008 .3 NATOMAS LEVEE EDM A 11.50 NATOMAS LEVEE EDM E 11.13 429.9900 429.9902 .5 NATOMAS LEVEE EDM A 11.50 NATOMAS LEVEE EDM K 11.38 1400.3111 1400.3111 .7 NATOMAS LEVEE EDM D 11.34 NATOMAS LEVEE EDM E 11.13 279.9893 279.9893 .4 NATOMAS LEVEE EDM D 11.34 NATOMAS LEVEE EDM K 11.38 1250.3104 1250.3104 .5 NATOMAS LEVEE EDM E 11.13 NATOMAS LEVEE EDM K 11.38 970.3211 970.3211 .4 DESCRIPTION OF NATOMAS LEVEE BASE LINE YEAR MEASURED: 1980 CHIEF OF PARTY: WJR THIS BASE LINE WAS REPORTED OBSTRUCTED BY A DRAINAGE CONSTRUCTION PROJECT. NATOMAS LEVEE TWO BASE LINE WAS ESTABLISHED IN 1985. THE BASE LINE IS LOCATED ABOUT 1.2 MILES NORTH OF INTERSTATE HIGHWAY 880, ON THE NORTH SIDE OF SACRAMENTO, AT THE INTERSECTION OF NORTHGATE BOULEVARD AND NATOMAS EAST MAIN CANAL. THE BASE LINE SITS ON THE WEST LEVEE OF THE CANAL, JUST SOUTH OF NORTHGATE BOULEVARD. TO REACH THE BASE LINE FROM THE INTERSECTION OF INTERSTATE HIGHWAY 880 AND NORTHGATE BOULEVARD, GO NORTH ON NORTHGATE BOULEVARD 1.2 MILES TO THE 0 METER POINT ON THE RIGHT, JUST WEST OF THE BRIDGE OVER THE CANAL. THE 0 METER POINT IS 27.9 METERS SOUTH OF THE SOUTH EDGE OF NORTHGATE BOULEVARD, 26.4 METERS SOUTH-SOUTHWEST OF THE RAILROAD SIGN, AND 23.2 METERS SOUTH-SOUTHEAST OF A 11-CENTIMETER DIAMETER POST ON THE WEST END OF THE GATE TO THE LEVEE. ALL THE MARKS ARE BRASS DISKS SET IN 15-CENTIMETER DIAMETER CONCRETE MONUMENTS, SET ABOUT 5 CENTIMETERS BELOW THE SURFACE. THE MARKS ARE STAMPED NATOMAS LEVEE EDM BASE LINE, WITH AN ALPHABETIC DESIGNATION AND THE YEAR 1979. ALL THE MARKS ARE COVERED WITH 27.5-CENTIMETER DIAMETER COVERS MARKED "MONUMENT". THE BASE LINE IS A NORTH-SOUTH LINE WITH THE 0 METER POINT AT THE NORTH END. IT CONSISTS OF TWELVE MARKS, WITH THE 0, 150, 430, AND 1400 METER MARKS COMPRISING THE TELLUROMETER MEASURED BASE LINE. POINTS FOR THE CALIBRATION OF 100, 200, AND 300 FOOT TAPES SIT ON LINE SOUTH OF THE 0 METER POINT. THE REDUCED HORIZONTAL DISTANCES BETWEEN THE 0 POINT AND THE 100, 200, AND 300 POINTS ARE 100.000 FEET, 200.000 FEET, AND 300.008 FEET (91.4427 METERS). THE BASE LINE WAS ESTABLISHED IN CONJUNCTION WITH THE SACRAMENTO COUNTY SURVEYOR'S OFFICE AND THE CALIFORNIA DEPARTMENT OF TRANSPORTATION. FOR FURTHER INFORMATION, INCLUDING MAPS, AND COMBINATION TO THE LOCK ON THE GATE AT THE NORTH END OF THE BASE LINE, CONTACT THE OFFICE OF GEOMETRONICS, 1120 N STREET, SACRAMENTO, CALIFORNIA 95814. THE NUMBER IS 916-445-5098, EXTENSION 3905. INFORMATION CAN ALSO BE OBTAINED FROM DAVID STURDEVANT, SUPERVISOR OF SURVEYS, SACRAMENTO COUNTY, 827 SEVENTH STREET, ROOM 201-A, SACRAMENTO, CALIFORNIA 95814. HIS NUMBER IS (916) 440-6291. 1US DEPARTMENT OF COMMERCE - NOAA CALIBRATION BASE LINE DATA QUAD: N381211 NOS - NATIONAL GEODETIC SURVEY BASE LINE DESIGNATION: NATOMAS LEVEE TWO CALIFORNIA ROCKVILLE MD 20852 - OCTOBER 29, 1986 PROJECT ACCESSION NUMBER: G15753 SACRAMENTO COUNTY LIST OF ADJUSTED DISTANCES (MARCH 15, 1985) ADJ. DIST.(M) ADJ. DIST.(M) STD. FROM STATION ELEV.(M) TO STATION ELEV.(M) HORIZONTAL MARK - MARK ERROR(MM) NATOMIS LEVEE EDM R-1983 11.446 NATOMIS LEVEE EDM O-1983 11.272 150.0035 150.0036 0.1 NATOMIS LEVEE EDM R-1983 11.446 NATOMIS LEVEE EDM N-1983 11.437 430.0178 430.0178 0.4 NATOMIS LEVEE EDM R-1983 11.446 NATOMIS LEVEE EDM G-1983 11.401 1420.7444 1420.7444 0.6 NATOMIS LEVEE EDM O-1983 11.272 NATOMIS LEVEE EDM N-1983 11.437 280.0144 280.0144 0.4 NATOMIS LEVEE EDM O-1983 11.272 NATOMIS LEVEE EDM G-1983 11.401 1270.7410 1270.7410 0.6 NATOMIS LEVEE EDM N-1983 11.437 NATOMIS LEVEE EDM G-1983 11.401 990.7266 990.7266 0.4 DESCRIPTION OF NATOMAS LEVEE TWO BASE LINE YEAR MEASURED: 1985 CHIEF OF PARTY: WJR THIS BASE LINE REPLACES THE NATOMAS LEVEE BASE LINE 1980 WHICH WAS OBSTRUCTED BY A DRAINAGE CONSTRUCTION PROJECT. THE BASE LINE IS LOCATED ON THE NORTH SIDE OF SACRAMENTO ALONG THE WEST LEVEE OF THE NATOMAS EAST MAIN CANAL, EAST OF NORTHGATE BOULEVARD, SOUTH OF INTERSTATE 80, AND NORTH OF SILVER EAGLE ROAD ALONG THE EAST EDGE OF EAST LEVEE ROAD. TO REACH THE BASE LINE FROM THE JUNCTION OF INTERSTATE HIGHWAY 5 AND EAST BOUND INTERSTATE HIGHWAY 80, GO EAST ON INTERSTATE 80 FOR 3.54 K (2.2 MI) TO THE NORTHGATE BOULEVARD EXIT. TAKE THE NORTHGATE BOULEVARD EXIT AND GO SOUTH ON NORTHGATE BOULEVARD FOR 1.45 K (0.9 MI) TO WEST SILVER EAGLE ROAD ON THE LEFT. TURN LEFT AND GO EAST ON SILVER EAGLE ROAD FOR 0.4 K (0.25 MI) TO THE TOP OF THE LEVEE. TURN LEFT AND GO NORTH ALONG THE LEVEE FOR 38.9 M (127.6 FT) TO THE 0 METER POINT ON THE RIGHT AND A WITNESS POST MARKED MONUMENT R. THIS BASE LINE IS A NORTH-SOUTH LINE WITH THE 0 METER POINT ON THE SOUTH END. IT IS MADE UP OF 0, 150, 430, AND 1420 METER POINTS WITH TWO POINTS FOR THE CALIBRATION OF TAPES SET APPROXIMATELY 100 AND 300 FEET NORTH OF THE 0 METER POINT. THE HORIZONTAL DISTANCES FROM THE 0 METER POINT TO THE PUNCHED MARKS ON THE 100 AND 300 FOOT TAPING DISKS MEASURED 100.01 FT (30.483 M) AND 300.01 FT (91.442 M), RESPECTIVELY. THERE ARE MANY OTHER MONUMENTS ON THIS LINE, BUT NOT PART OF THIS NGS CALIBRATION BASE LINE. THE 0 METER POINT IS A DISK STAMPED---NATOMAS LEVEE EDM BASE LINE R-1983---SET INTO THE TOP OF A ROUND CONCRETE MONUMENT 15 CM (6 IN) IN DIAMETER RECESSED 5 CM (2 IN) BELOW THE GROUND LOCATED 38.90 METERS (127.6 FT) N FROM CENTER LINE OF WEST SILVER EAGLE ROAD, 2.40 M (7.9 FT) E FROM CENTER OF LEVEE ROAD, AND 1.23 M (4.0 FT) W FROM A METAL WITNESS POST. THE MARK IS PROTECTED BY A 10-INCH ROUND MONUMENT CASING SET FLUSH WITH THE SURFACE. ALL OF THE MARKS ARE SET IN A STRAIGHT LINE ALONG THE EAST EDGE OF THE WEST LEVEE. THEY ARE ALL 3 INCH BRASS DISKS STAMPED WITH---NATOMAS LEVEE EDM BASE LINE---THEIR ALPHABETICAL DESIGNATION AND THE YEAR 1983. MONUMENT R=0 M, Q=100 FOOT, P=300 FOOT, O=150 M, N=430 M, AND G=1420 M POINT. THEY ARE ALL SET INSIDE 10 INCH ROUND MONUMENT CASINGS THAT ARE FLUSH WITH THE SURFACE AND ALL HAVE WITNESS POSTS WHICH IDENTIFY THEIR ALPHABETICAL DESIGNATION. THIS BASE LINE WAS ESTABLISHED IN CONJUNCTION WITH THE SACRAMENTO COUNTY SURVEYORS OFFICE AND THE CALIFORNIA DEPARTMENT OF TRANSPORTATION. FOR FURTHER INFORMATION CONTACT THE OFFICE OF GEOMETRONICS, 1120 N STREET, SACRAMENTO, CALIFORNIA 95814, TELEPHONE (916) 445-5098 EXTENSION 3905 OR DAVID STURDEVANT, SUPERVISOR OF SURVEYS, SACRAMENTO COUNTY, 827 SEVENTH STREET, ROOM 201-A, SACRAMENTO, CALIFORNIA 95814, TELEPHONE (916) 440-6291. 1US DEPARTMENT OF COMMERCE - NOAA CALIBRATION BASE LINE DATA QUAD: N331174 NOS - NATIONAL GEODETIC SURVEY BASE LINE DESIGNATION: ONTARIO CALIFORNIA ROCKVILLE MD 20852 - OCTOBER 29, 1986 PROJECT ACCESSION NUMBER: G15753 SAN BERNARDINO COUNTY NEAREST TOWN: ONTARIO *** ONTARIO BASE LINE *** NO LONGER USEABLE *** SEE NEW DESCRIPTION *** LIST OF ADJUSTED DISTANCES (JANUARY 22, 1980) ADJ. DIST.(M) ADJ. DIST.(M) STD. FROM STATION ELEV.(M) TO STATION ELEV.(M) HORIZONTAL MARK - MARK ERROR(MM) ONTARIO NW E.D.M. BASE 263.50 POINT A 262.41 150.0011 150.0050 0.2 ONTARIO NW E.D.M. BASE 263.50 POINT B 260.01 800.0379 800.0455 0.5 ONTARIO NW E.D.M. BASE 263.50 ONTARIO SE E.D.M. BASE 260.90 1405.1911 1405.1935 0.6 POINT A 262.41 POINT B 260.01 650.0368 650.0413 0.4 POINT A 262.41 ONTARIO SE E.D.M. BASE 260.90 1255.1900 1255.1909 0.5 POINT B 260.01 ONTARIO SE E.D.M. BASE 260.90 605.1530 605.1536 0.4 DESCRIPTION OF: ONTARIO BASE LINE YEAR MEASURED: 1976 CHIEF OF PARTY: MDC THE BASE LINE IS LOCATED ABOUT 2 MILES SOUTH OF INTERSTATE HIGHWAY 10, 1/2 MILE SOUTHEAST OF THE ONTARIO INTERNATIONAL AIRPORT, 0.15 MILE EAST OF ARCHIBALD AVENUE, ON THE SOUTHEAST EDGE OF ONTARIO AND ALONG MISSION BOULEVARD BETWEEN ARCHIBALD AVENUE AND HAVEN AVENUE. TO REACH THE BASE LINE FROM THE JUNCTION OF INTERSTATE HIGHWAY 10 AND STATE HIGHWAY 31, ON THE EAST EDGE OF ONTARIO, GO SOUTHERLY ON STATE HIGHWAY 31 FOR 2.2 MILES TO MISSION BOULEVARD. TURN RIGHT ON MISSION BOULEVARD AND GO WEST FOR 2.0 MILES TO THE 0-METER POINT ON THE LEFT. THE 0-METER POINT IS A STANDARD NGS TRIANGULATION STATION DISK SET IN THE TOP OF A ROUND CONCRETE MONUMENT AND PROJECTS ABOUT 3 INCHES. IT IS STAMPED ONTARIO NW E.D.M. BASE 1976 AND IS 13.6 FEET NORTH OF A WIRE FENCE, 23.5 FEET WEST-NORTHWEST OF A POWER POLE 694456E AND 43 FEET SOUTH OF THE CENTERLINE OF THE SOUTHBOUND LANE OF MISSION BOULEVARD. THERE IS A REFERENCE MARK SET SOUTHWEST OF THE 0-METER POINT STAMPED ONTARIO NW E.D.M. BASE NO. 1 1976 AND WAS NOT USED FOR ANY PURPOSE OF THE BASE LINE. ALL THE MARKS ARE STANDARD NGS TRIANGULATION STATION DISKS SET IN THE TOP OF ROUND CONCRETE MONUMENTS PROJECTING ABOUT 3 INCHES. THE DISK AT 1405 METERS IS STAMPED ONTARIO SE E.D.M. BASE 1976. THE 150 AND 800 METER POINTS ARE CALLED POINT A AND POINT B. THE BASE LINE CONSISTS OF THE 0, 150, 800, AND 1405 METER POINTS WITH THE 0-METER POINT ON THE WEST END OF THE EAST-WEST BASE LINE. THERE IS A DISK SET AT 100 FEET WITH NO STAMPING AND IS TO BE USED FOR TAPE CALIBRATION. FOR FURTHER INFORMATION CONTACT MR. JAY L. GUMMOW AT P.O. DRAWER 3279 WEST RIVERSIDE, CALIFORNIA 92519. TELEPHONE 714-685-8872. *** ONTARIO BASE LINE *** NO LONGER USEABLE *** SEE USER NOTES *** DESCRIPTION OF: ONTARIO BASE LINE YEAR MEASURED: 1976 YEAR RECOVERED: 1990 - COMMENT: NO LONGER USEABLE (SEE USER NOTES BELOW) CHIEF OF PARTY: LPB THE BASE LINE IS LOCATED ALONG MISSION BOULEVARD ABOUT 3.9 KM (2.4 MI) SOUTH OF INTERSTATE HIGHWAY 10, AND 0.8 KM (0.5 MI) SOUTHEAST OF THE ONTARIO INTERNATIONAL AIRPORT. TO REACH THE 0-METER POINT FROM THE INTERSECTION OF INTERSTATE HIGHWAY 10 AND MILLIKEN AVENUE ON THE EAST SIDE OF ONTARIO, GO SOUTH ON MILLIKEN STREET FOR 3.9 KM (2.4 MI) TO MISSION BOULEVARD. TURN RIGHT AND GO NORTHWEST ON MISSION BOULEVARD FOR 3.4 KM (2.1 MI) TO ARCHIBALD AVENUE. MAKE A U-TURN, (ALLOWED ON GREEN ARROW) AND GO SOUTHEAST ON MISSION BOULEVARD FOR 0.3 KM (0.2 MI) TO THE 0-METER POINT ON THE RIGHT. THE BASE LINE IS A NORTHWEST-SOUTHEAST LINE WITH THE 0-METER POINT ON THE NORTHWEST END. IT LIES ON THE SOUTH SIDE OF AND APPROXIMATELY PARALLEL TO MISSION BOULEVARD, BETWEEN ARCHIBALD AND HAVEN AVENUES. IT CONSISTS OF THE 0, 150, 800, AND 1405-METER POINTS, WITH A 100-FOOT TAPE CALIBRATION STATION LOCATED ON LINE WITH AND SOUTHEAST OF THE 0-METER POINT. 1THE 0-METER POINT IS A STANDARD NGS HORIZONTAL CONTROL DISK STAMPED "ONTARIO NW E.D.M. BASE 1976" SET IN THE TOP OF A 28 CM (11 IN) CONCRETE POST RECESSED 3 CM (1 IN) BELOW THE SURFACE OF THE GROUND. IT IS 20.2 M (66.3 FT) NORTHWEST OF A YELLOW FIRE HYDRANT, 18.1 M (59.4 FT) SOUTHEAST OF A "BUSINESS PKWY" STREET SIGN, 9.8 M (32.2 FT) NORTHWEST OF A PLP, 3.6 M (11.8 FT) SOUTHWEST OF THE SOUTHWEST EDGE OF THE PAVEMENT, AND 0.5 M (1.6 FT) SOUTH OF A WITNESS POST. THE 150-METER POINT IS A STANDARD NGS HORIZONTAL CONTROL DISK STAMPED "ONTARIO E.D.M. BASE POINT A 1976" SET IN THE TOP OF A 28 CM (11 IN) CONCRETE POST FLUSH WITH THE SURFACE OF THE PAVEMENT. IT IS 13.3 M (43.6 FT) SOUTH OF THE CENTERLINE OF THE EASTBOUND LANES OF MISSION BOULEVARD, 11.7 M (38.4 FT) NORTHWEST OF A PLP, 5.0 M (16.4 FT) NORTH OF A STOP SIGN, AND 0.75 M (2.5 FT) WEST OF THE EAST CURB OF BUSINESS PKWY. THE 800-METER POINT IS A STANDARD NGS HORIZONTAL CONTROL DISK STAMPED "ONTARIO E.D.M. BASE POINT B 1976" SET IN THE TOP OF A 38 CM (15 IN) CONCRETE POST RECESSED 10 CM (4 IN) BELOW THE SURFACE OF THE GROUND. IT IS 4.4 M (14.4 FT) SOUTHWEST OF THE SOUTHWEST EDGE OF THE PAVEMENT, 0.9 M (3.0 FT) SOUTH OF A WITNESS POST, AND 0.8 M (2.6 FT) NORTH OF A WITNESS POST. THE 1409-METER POINT IS A STANDARD NGS HORIZONTAL CONTROL DISK STAMPED "ONTARIO SE E.D.M. BASE 1976" SET IN THE TOP OF A 34 CM (13 IN) CONCRETE POST PROJECTING 2 CM (1 IN) ABOVE THE SURFACE OF THE GROUND. IT IS 40.9 M (134.2 FT) NORTHWEST OF THE CENTERLINE OF HAVEN AVENUE, 8.3 M (27.2 FT) SOUTHWEST OF THE SOUTHWEST EDGE OF MISSION BOULEVARD, 0.7 M (2.3 FT) SOUTHWEST OF A WITNESS POST, AND 0.6 M (2.0 FT) NORTHEAST OF A WITNESS POST. THE 100-FOOT TAPE CALIBRATION STATION IS A PLAIN 9 CM (3.5 IN) BRASS DISK STAMPED ONLY WITH A , SET IN THE TOP OF A CONCRETE POST WHICH HAS OBVIOUSLY BEEN DISTURBED. IT IS 30.36 M (99.6 FT) SOUTHEAST OF THE 0-METER POINT, 10.8 M (35.4 FT) SOUTHEAST OF A YELLOW FIRE HYDRANT, 3.6 M (11.8 FT) SOUTHWEST OF THE SOUTHWEST EDGE OF THE PAVEMENT, AND 0.5 M (1.6 FT) SOUTHWEST OF A WITNESS POST. USER NOTES: THIS BASE LINE IS NO LONGER USABLE, BECAUSE OF LANDSCAPING IN PROGRESS. TREES HAVE BEEN PLANTED ON-LINE AND LINE-OF-SIGHT IS NO LONGER POSSIBLE BETWEEN POINTS. ALSO, THE HIGHWAY DEPARTMENT HAS PLANS FOR CONSTRUCTION IN THE AREA. 1US DEPARTMENT OF COMMERCE - NOAA CALIBRATION BASE LINE DATA QUAD: N401221 NOS - NATIONAL GEODETIC SURVEY BASE LINE DESIGNATION: REDDING CBL CALIFORNIA ROCKVILLE MD 20852 - NOVEMBER 25, 1992 PROJECT ACCESSION NUMBER: 15753 SHASTA COUNTY NEAREST TOWN: REDDING LIST OF ADJUSTED DISTANCES (MAY 7, 1990) ADJ. DIST.(M) ADJ. DIST.(M) STD. FROM STATION ELEV.(M) TO STATION ELEV.(M) HORIZONTAL MARK - MARK ERROR(MM) C 149.000 C1 149.189 150.0081 150.0082 0.1 C 149.000 D 149.223 365.7840 365.7841 0.3 C 149.000 E 151.162 1234.4397 1234.4416 0.4 C1 149.189 D 149.223 215.7759 215.7759 0.3 C1 149.189 E 151.162 1084.4315 1084.4333 0.4 D 149.223 E 151.162 868.6556 868.6578 0.3 DESCRIPTION: REDDING BASE LINE YEAR MEASURED: 1990 (1992 NAME DESIGNATION UPDATES) CHIEF OF PARTY: LPB THE BASE LINE IS LOCATED AT THE REDDING MUNICIPAL AIRPORT IN THE SOUTHEAST SECTION OF REDDING. THE BASE LINE IS A NORTHWEST-SOUTHEAST LINE WITH STATION "C" ON THE SOUTHEAST END. IT CONSISTS OF THE "C", "C1", "D", and "E" STATIONS. THE BASE LINE RUNS PARALLEL WITH AND JUST OFF THE SOUTHWESTERLY EDGE OF A ROAD, WITHIN THE AIRPORT PROPERTY, USED AS THE REDDING DRAG STRIP. TO REACH STATION "E" FROM THE INTERSECTION OF STATE HIGHWAY 44 AND THE NORTHBOUND OVERPASS OF U.S. INTERSTATE 5, GO EAST ON STATE HIGHWAY 44 1.75 KM (1.1 MI) TO THE VICTOR AVENUE OVERPASS. CONTINUE EAST ON STATE HIGHWAY 44 3.6 KM (2.2 MI) TO THE AIRPORT ROAD EXIT. TAKE THE AIRPORT ROAD EXIT, AND TURN RIGHT OFF THE EXIT RAMP ONTO AIRPORT ROAD. GO SOUTH ON AIRPORT ROAD 0.7 KM (0.4 MI) TO THE INTERSECTION OF ARGYLE ROAD ON THE RIGHT. CONTINUE SOUTH ON AIRPORT ROAD 2.1 KM (1.3 MI) TO THE INTERSECTION OF RANCHO ROAD. TURN LEFT ONTO RANCHO ROAD AND GO EAST 0.6 KM (0.4 MI) TO THE INTERSECTION OF OLD OREGON TRAIL. TURN RIGHT ONTO OLD OREGON TRAIL AND GO SOUTH 0.8 KM (0.5 MI) TO A DIRT ROAD ON THE LEFT. TURN LEFT ONTO THE DIRT ROAD AND GO EAST 0.4 KM (0.25 MI) TO A DIRT ROAD ON THE RIGHT. TURN RIGHT ONTO THE DIRT ROAD AND GO SOUTH 0.8 KM (0.5 MI) TO A DIRT ROAD ON THE RIGHT. TURN RIGHT ONTO THE DIRT ROAD AND GO WEST 0.05 KM (0.03 MI) TO A LOCKED GATE ON THE LEFT. TURN LEFT AND PROCEED SOUTH THROUGH THE GATE ON A DIRT ROAD 0.5 KM (0.3 MI) TO THE BEGINNING OF PAVEMENT. MAKING A SLIGHT LEFT TURN ONTO THE PAVEMENT (THE REDDING DRAG STRIP), GO SOUTHEASTERLY 0.1 KM (0.06 MI) TO STATION "E" ON THE RIGHT. TO REACH STATION "D", "C1" and "C", CONTINUE SOUTHEASTERLY ON THE PAVEMENT PASS THE DRAG STRIP ANNOUNCER'S BOX ON THE RIGHT 0.87 KM (0.54 MI), 1.08 KM (0.67 MI), AND 1.23 KM (0.77 MI) RESPECTIVELY FROM STATION "E". STATION "C" IS A 5 CM (2 IN) BRASS SHASTA COUNTY SURVEYOR DISK SET IN THE TOP OF A CONCRETE POST RECESSED 18 CM (7 IN) BELOW THE SURFACE OF THE GROUND. THE ONLY STAMPING ON THE DISK IS A PUNCH MARK SURROUNDED BY FOUR LINES RADIATING OUTWARD AT 90 DEGREE INTERVALS. IT IS 1.3 M (4.3 FT) NORTHEAST OF A WITNESS POST AND 0.6 M (2.0 FT) SOUTHWEST OF THE EDGE OF THE PAVEMENT. STATION "C1" IS A STANDARD NGS CALIBRATION BASE LINE DISK STAMPED "150 M 1989" SET IN THE TOP OF A CONCRETE POST RECESSED 10 CM (4 IN) BELOW THE SURFACE OF THE GROUND. IT IS 0.8 M (2.6 FT) SOUTHWEST OF THE EDGE OF THE PAVEMENT AND 0.7 M (2.3 FT) NORTHEAST OF A WITNESS POST. STATION "D" IS A 5 CM (2 IN) BRASS SHASTA COUNTY SURVEYOR DISK SET IN THE TOP OF A CONCRETE POST RECESSED 18 CM (7 IN) BELOW THE SURFACE OF THE GROUND. THE ONLY STAMPING ON THE DISK IS A PUNCH MARK SURROUNDED BY FOUR LINES RADIATING OUTWARD AT 90 DEGREE INTERVALS. IT IS 1.2 M (3.9 FT) NORTHEAST OF A WITNESS POST AND 0.5 M (1.6 FT) SOUTHWEST OF THE EDGE OF THE PAVEMENT. STATION "E" IS A 5 CM (2 IN) BRASS SHASTA COUNTY SURVEYOR DISK SET IN THE TOP OF A CONCRETE POST RECESSED 18 CM (7 IN) BELOW THE SURFACE OF THE GROUND. THE ONLY STAMPING ON THE DISK IS A PUNCH MARK SURROUNDED BY FOUR LINES RADIATING OUTWARD AT 90 DEGREE INTERVALS. IT IS 1.2 M (3.9 FT) SOUTHEAST OF A WITNESS POST, 0.6 M (2.0 FT) SOUTHWEST OF THE EDGE OF THE PAVEMENT, AND BETWEEN THE PAVEMENT AND A 2.4 M BY 4.8 M (7.9 FT X 15.7 FT) SHALLOW PIT [30 CM (12 IN) DEEP] COVERED BY WEATHERED 2X8 BOARD PLANKING. USER NOTES: CBL USERS SHOULD TAKE CARE IN PLUMBING OVER ALL POINTS. ELEVATIONS ARE FOR CBL USE ONLY. NO DESIGNATIONS ARE STAMPED ON THE "C", "D" AND "E" POINTS. THE LETTER DESIGNATIONS FOR STATIONS "C", "D",AND "E" ARE PAINTED ON THE WITNESS POSTS AND THE PAVEMENT NEAR THE POINTS. THE KEY TO THE LOCKED GATE AND PERMISSION TO ENTER THE AIRPORT PROPERTY MAY BE AQUIRED FROM MR. DOYLE RUFF, DIRECTOR OF AIRPORTS, 6751 AIRPORT ROAD, REDDING, CA 96002. TELEPHONE (916) 224-4321. 1THIS CALIBRATION BASE LINE WAS ESTABLISHED IN CONJUNCTION WITH THE BUREAU OF LAND MANAGEMENT. FOR MORE INFORMATION CONTACT THE BLM BRANCH OF CADASTRAL SURVEYS, 2800 COTTAGE WAY, SACRAMENTO, CA 95825. TELEPHONE (916) 978-4775. OR CONTACT MR. RON McCORMICK AT THE BLM'S SHASTA LAKE FIELD STATION, 14225 HOLIDAY ROAD, REDDING, CA 96003. TELEPHONE (916) 275-1587. 1US DEPARTMENT OF COMMERCE - NOAA CALIBRATION BASE LINE DATA QUAD: N381222 NOS - NATIONAL GEODETIC SURVEY BASE LINE DESIGNATION: SILVERADO CALIFORNIA ROCKVILLE MD 20852 - OCTOBER 29, 1986 PROJECT ACCESSION NUMBER: G15110 NAPA COUNTY LIST OF ADJUSTED DISTANCES (JUNE 18, 1982) ADJ. DIST.(M) ADJ. DIST.(M) STD. FROM STATION ELEV.(M) TO STATION ELEV.(M) HORIZONTAL MARK - MARK ERROR(MM) BL 0 18.472 BL 1 18.557 50.0120 50.0121 0.1 BL 0 18.472 BL 2 18.553 100.0120 100.0120 0.1 BL 0 18.472 BL 3 18.799 200.0161 200.0163 0.2 BL 0 18.472 BL 4 18.663 350.0145 350.0145 0.4 BL 0 18.472 BL 5 18.407 550.0151 550.0151 0.6 BL 0 18.472 BL 6 19.343 800.0415 800.0419 0.8 BL 0 18.472 BL 7 20.033 1150.0211 1150.0221 1.0 BL 0 18.472 BL 8 20.979 1600.0209 1600.0229 1.2 BL 0 18.472 BL 9 23.750 2150.0056 2150.0120 1.4 BL 1 18.557 BL 2 18.553 50.0000 50.0000 0.1 BL 1 18.557 BL 3 18.799 150.0040 150.0042 0.2 BL 1 18.557 BL 4 18.663 300.0024 300.0025 0.4 BL 1 18.557 BL 5 18.407 500.0031 500.0031 0.6 BL 1 18.557 BL 6 19.343 750.0294 750.0298 0.8 BL 1 18.557 BL 7 20.033 1100.0090 1100.0100 1.0 BL 1 18.557 BL 8 20.979 1550.0089 1550.0108 1.2 BL 1 18.557 BL 9 23.750 2099.9935 2099.9999 1.4 BL 2 18.553 BL 3 18.799 100.0041 100.0044 0.2 BL 2 18.553 BL 4 18.663 250.0025 250.0025 0.4 BL 2 18.553 BL 5 18.407 450.0031 450.0031 0.6 BL 2 18.553 BL 6 19.343 700.0294 700.0299 0.8 BL 2 18.553 BL 7 20.033 1050.0090 1050.0101 1.0 BL 2 18.553 BL 8 20.979 1500.0089 1500.0109 1.2 BL 2 18.553 BL 9 23.750 2049.9935 2050.0001 1.4 BL 3 18.799 BL 4 18.663 149.9984 149.9985 0.3 BL 3 18.799 BL 5 18.407 349.9991 349.9993 0.5 BL 3 18.799 BL 6 19.343 600.0254 600.0256 0.7 BL 3 18.799 BL 7 20.033 950.0050 950.0058 1.0 BL 3 18.799 BL 8 20.979 1400.0049 1400.0066 1.2 BL 3 18.799 BL 9 23.750 1949.9895 1949.9958 1.4 BL 4 18.663 BL 5 18.407 200.0007 200.0008 0.4 BL 4 18.663 BL 6 19.343 450.0270 450.0275 0.7 BL 4 18.663 BL 7 20.033 800.0066 800.0077 0.9 BL 4 18.663 BL 8 20.979 1250.0064 1250.0086 1.1 BL 4 18.663 BL 9 23.750 1799.9910 1799.9982 1.4 BL 5 18.407 BL 6 19.343 250.0263 250.0280 0.5 BL 5 18.407 BL 7 20.033 600.0059 600.0081 0.8 BL 5 18.407 BL 8 20.979 1050.0057 1050.0088 1.1 BL 5 18.407 BL 9 23.750 1599.9902 1599.9991 1.3 BL 6 19.343 BL 7 20.033 349.9796 349.9803 0.6 BL 6 19.343 BL 8 20.979 799.9794 799.9811 0.9 BL 6 19.343 BL 9 23.750 1349.9639 1349.9711 1.2 BL 7 20.033 BL 8 20.979 449.9998 450.0008 0.7 BL 7 20.033 BL 9 23.750 999.9843 999.9912 1.0 BL 8 20.979 BL 9 23.750 549.9844 549.9914 0.8 1 DESCRIPTION OF SILVERADO BASE LINE YEAR MEASURED: 1975 CHIEF OF PARTY: JLG THE BASE LINE IS LOCATED ON THE NORTHEAST SIDE OF SILVERADO TRAIL, AIRLINE DISTANCE ABOUT 6 1/2 MILES NORTH-NORTHWEST OF THE CENTER OF NAPA, 3 MILES EAST-SOUTHEAST OF YOUNTVILLE, AND RUNS NORTHWEST PAST THE CHIMNEY ROCK GOLF COURSE FROM ITS SOUTHEAST END (BL 0) 0.9 MILE NORTHWEST OF THE JUNCTION OF OAK KNOLL AVENUE TO ITS NORTHWEST END AT BL 9. THE BASE LINE CONSISTS OF TEN MONUMENTS IN LINE AND APPROXIMATELY AT DISTANCES FROM BL 0 OF 50 METERS (BL 1), 100 METERS (BL 2), 200 METERS (BL 3), 350 METERS (BL 4), 550 METERS (BL 5), 800 METERS (BL 6), 1150 METERS (BL 7), 1600 METERS (BL 8), AND 2150 METERS (BL 9). THE BASE LINE MONUMENTS ARE MARKED BY 3-INCH CITY OF NAPA BRASS DISKS STAMPED BL 0, BL 1, ETC., SET IN THE TOP OF 12-INCH X 7-FOOT CONCRETE CYLINDERS REINFORCED WITH THREE NO. 3 REBARS AND SET BENEATH 2 X 2-FOOT CONCRETE BOXES AND COVERS APPROXIMATELY 27 FEET NORTHEAST OF THE CENTER OF THE CENTER LINE OF SILVERADO TRAIL. BL 0 IS 80.4 FEET WNW OF POWER POLE 19/15 JP 121 AND 14.0 FEET SW OF A METAL WITNESS POST AND SIGN. BL 1 IS 52.2 FEET WNW OF POWER POLE 19/16 JP 122 AND 8.3 FEET SSW OF A METAL WITNESS POST AND SIGN. BL 2 IS 23.8 FEET WNW OF POWER POLE 19/17 JP 123 AND 7.8 FEET SW OF A METAL WITNESS POST AND SIGN. BL 3 IS 35.0 FEET SE OF POWER POLE 19/19 JP 125 AND 8.2 FEET SW OF A METAL WITNESS POST AND SIGN. BL 4 IS 64.0 FEET NW OF THE CENTER LINE OF THE ENTRANCE ROAD TO CHIMNEY ROCK GOLF COURSE, 46.9 FEET SE OF POWER POLE 19/22 JP 128, AND 9.6 FEET SW OF A METAL WITNESS POST AND SIGN. BL 5 IS 94.2 FEET SOUTHEAST OF POWER POLE 19/26 JP 132, 89.8 FEET NW OF POWER POLE 19/25 JP 131, AND 13.4 FEET SSW OF A METAL WITNESS POST AND SIGN. BL 6 IS 17.7 FEET SSE OF POWER POLE 20/1 JP 136 AND 8.9 FEET SW OF A METAL WITNESS POST AND SIGN. BL 7 IS 33.9 FEET SE OF POWER POLE 20/8 JP 143, 31.9 FEET SSE OF THE SOUTH CORNER OF A FENCE AROUND A POWER SUBSTATION, AND 9.2 FEET SW OF A METAL WITNESS POST AND SIGN. BL 8 IS 38.7 FEET SE OF POWER POLE 20/16 JP 147 AND 12.3 FEET SW OF A METAL WITNESS POST AND SIGN. BL 9 IS 69.5 FEET SE OF POWER POLE 153 AND 12.1 FEET SW OF A METAL WITNESS POST AND SIGN. THIS BASE LINE WAS ESTABLISHED IN CONJUNCTION WITH THE CITY OF NAPA. FOR FURTHER INFORMATION CONTACT PUBLIC WORKS DIRECTOR, CITY HALL, P.O. BOX 660 NAPA, CALIFORNIA 94558. TELEPHONE (707) 226-5511. 1US DEPARTMENT OF COMMERCE - NOAA CALIBRATION BASE LINE DATA QUAD: N381222 NOS - NATIONAL GEODETIC SURVEY BASE LINE DESIGNATION: SILVERADO CBL CALIFORNIA ROCKVILLE MD 20852 PROJECT ACCESSION NUMBER: 15753 NAPA COUNTY NEAREST TOWN: NAPA LIST OF ADJUSTED DISTANCES (JANUARY 19, 1990) ADJ. DIST.(M) ADJ. DIST.(M) STD. FROM STATION ELEV.(M) TO STATION ELEV.(M) HORIZONTAL MARK - MARK ERROR(MM) 0 18.557 150 18.799 150.0091 150.0093 0.0 0 18.557 500 18.408 500.0097 500.0097 0.2 0 18.557 1550 21.006 1550.0153 1550.0172 0.3 150 18.799 500 18.408 350.0006 350.0008 0.2 150 18.799 1550 21.006 1400.0062 1400.0079 0.3 500 18.408 1550 21.006 1050.0055 1050.0087 0.2 DESCRIPTION OF SILVERADO BASE LINE YEAR MEASURED: 1975 YEAR REMEASURED: 1990 CHIEF OF PARTY: LPB THE BASE LINE IS LOCATED ABOUT 10.5 KM (6.5 MI) NORTH OF NAPA AND 4.8 KM (3.0 MI) SOUTHEAST OF YOUNTVILLE. THE BASE LINE LIES JUST NORTHEAST OF AND PARALLEL TO THE SILVERADO TRAIL HIGHWAY. THE BASE LINE IS A SOUTHEAST-NORTHWEST LINE WITH THE 0-METER POINT ON THE SOUTHEAST END. IT CONSISTS OF THE 0, 150, 500 AND 1550- METER POINTS. TO REACH THE 0-METER POINT FROM THE JUNCTION OF SILVERADO TRAIL AND TRANCAS ROAD IN NORTHEAST NAPA, GO NORTHWEST ON SIVERADO TRAIL FOR 1.5 KM (0.9 MI) TO OAK KNOLL ROAD ON THE LEFT. CONTINUE NORTHWESTERLY ON SILVERADO TRAIL FOR 5.6 KM (3.5 MI) TO THE 0-METER POINT ON THE RIGHT. TO REACH THE 150, 500 AND 1550-METER POINTS CONTINUE NORTHWESTERLY ON SILVERADO TRAIL 0.15 KM (0.1 MI), 0.5 KM (0.3 MI) AND 1.55 KM (0.96 MI) RESPECTIVELY FROM THE 0-METER POINT. THE 0-METER POINT IS A 3-INCH CITY OF NAPA BRASS DISK STAMPED "BL 1 1970" SET IN THE TOP OF A 30 CM (12 IN) CONCRETE POST RECESSED 23 CM (9 IN) BELOW THE SURFACE OF THE GROUND, WITHIN A 61 CM (24 IN) SQUARE CONCRETE BOX WITHOUT A COVER. IT IS 16.8 M (55.1 FT) NORTHWEST OF A POWER POLE, 8.4 M (27.6 FT) NORTHEAST OF THE HIGHWAY CENTERLINE, 2.5 M (8.2 FT) SOUTHWEST OF A WITNESS POST AND 2.1 M (6.9 FT) NORTHEAST OF THE EDGE OF THE ROAD PAVEMENT. THE 150-METER POINT IS A 3-INCH CITY OF NAPA BRASS DISK STAMPED "BL 3 1970" SET IN THE TOP OF A 30 CM (12 IN) CONCRETE POST RECESSED 30 CM (12 IN) BELOW THE SURFACE OF THE GROUND, WITHIN A 61 CM (24 IN) SQUARE CONCRETE BOX WITH A METAL COVER. IT IS 10.7 M (35.1 FT) SOUTHEAST OF A POWER POLE, 8.4 M (27.6 FT) NORTHEAST OF THE HIGHWAY CENTERLINE, 2.5 M (8.2 FT) SOUTHWEST OF A WITNESS POST AND 2.2 M (7.2 FT) NORTHEAST OF THE EDGE OF THE ROAD PAVEMENT. THE 500-METER POINT IS A 3-INCH CITY OF NAPA BRASS DISK STAMPED "BL 5 1970" SET IN THE TOP OF A 30 CM (12 IN) CONCRETE POST RECESSED 20 CM (8 IN) BELOW THE SURFACE OF THE GROUND, WITHIN A 58 CM (23 IN) SQUARE CONCRETE BOX WITH A METAL COVER. IT IS 8.4 M (27.6 FT) NORTHEAST OF THE HIGHWAY CENTERLINE, 4.7 M (15.4 FT) SOUTHWEST OF A BARBWIRE FENCE, 3.9 M (12.8 FT) SOUTHWEST OF A WITNESS POST AND 2.3 M (7.5 FT) NORTHEAST OF THE EDGE OF THE ROAD PAVEMENT. THE 1550-METER POINT IS A 3-INCH CITY OF NAPA BRASS DISK STAMPED "BL 8 1970" SET IN THE TOP OF A 30 CM (12 IN) CONCRETE POST RECESSED 23 CM (9 IN) BELOW THE SURFACE OF THE GROUND, WITHIN A 61 CM (24 IN) SQUARE CONCRETE BOX WITH A CONCRETE COVER. IT IS 11.1 M (36.4 FT) SOUTHEAST OF A POWER POLE, 8.5 M (27.9 FT) NORTHEAST OF THE HIGHWAY CENTERLINE, 4.5 M (14.8 FT) SOUTHWEST OF A BARBWIRE FENCE, 3.8 M (12.5 FT) SOUTHWEST OF A WITNESS POST AND 2.2 M (7.2 FT) NORTHEAST OF THE EDGE OF THE ROAD PAVEMENT. USER NOTES: CBL USERS SHOULD TAKE CARE IN PLUMBLING OVER ALL POINTS. THE ELEVATIONS ARE FOR CBL USE ONLY. THE ORIGINAL BASE LINE CONSISTS OF TEN MARKS, AND ALL WERE RECOVERED IN GOOD CONDITION. HOWEVER, ONLY FOUR OF THE POINTS (#1, #3, #5, & #8) WERE REMEASURED AT THIS TIME. THIS CALIBRATION BASE LINE WAS ESTABLISHED IN CONJUNCTION WITH THE CITY OF NAPA. FOR MORE INFORMATION CONTACT THE PUBLIC WORKS DIRECTOR, CITY HALL, P.O.BOX 660, NAPA, CA 94558. TELEPHONE (707) 257-9520. 1US DEPARTMENT OF COMMERCE - NOAA CALIBRATION BASE LINE DATA QUAD: N341192 NOS - NATIONAL GEODETIC SURVEY BASE LINE DESIGNATION: VENTURA CALIFORNIA ROCKVILLE MD 20852 PROJECT ACCESSION NUMBER: G15753 VENTURA COUNTY NEAREST TOWN: CAMARILLO LIST OF ADJUSTED DISTANCES (DECEMBER 14, 1987) ADJ. DIST.(M) ADJ. DIST.(M) STD. FROM STATION ELEV.(M) TO STATION ELEV.(M) HORIZONTAL MARK - MARK ERROR(MM) 0 27.000 150 26.491 149.9890 149.9899 0.1 0 27.000 430 25.586 429.9861 429.9884 0.4 0 27.000 1400 22.304 1399.9906 1399.9985 0.5 150 26.491 430 25.586 279.9970 279.9985 0.4 150 26.491 1400 22.304 1250.0016 1250.0086 0.5 430 25.586 1400 22.304 970.0045 970.0101 0.4 A TAPE CALIBRATION MONUMENT WAS SET AT 100 FOOT POINT OF THE BASELINE. REDUCED DISTANCE IS 99.949 FT. CORRECTED 11/24/87 DESCRIPTION OF: VENTURA BASE LINE YEAR MEASURED: 1987 CHIEF OF PARTY: MTL THE BASE LINE IS LOCATED ABOUT 20.8 (13 MI) SOUTHEAST OF VENTURA, 1.6 KM (1.0 MI) SOUTH OF CAMARILLO, AT THE NORTH SECTION OF CAMARILLO AIRPORT, AND PARALLEL TO AND NORTH OF A FLOOD CONTROL CANAL. TO REACH THE BASE LINE FROM THE JUNCTION OF U.S. ROUTE 101 AND STATE ROUTE 126, GO SOUTH ON U.S. ROUTE 101 FOR 17.1 KM (10.7 MI) TO THE LAS POSAS ROAD EXIT. TAKE THE LAS POSAS ROAD EXIT AND GO SOUTH ON LAS POSAS ROAD 0.32 KM (0.2 MI) TO A GRAVEL SIDE ROAD AND GATE ENTRANCE JUST NORTH OF THE FLOOD CANAL. TURN RIGHT ONTO THE GRAVEL SIDE ROAD AND GO WEST THROUGH THE GATE FOR 0.16 KM (0.1 MI) TO THE 0 METER POINT ON THE LEFT. THE BASE LINE IS A EAST-WEST LINE WITH THE 0 METER POINT ON THE EAST END. THE BASE LINE IS A FOUR POINT BASE CONSISTING OF THE 0, 150, 430, AND 1400 METER POINT. THERE IS ALSO A 100 FOOT TAPING STATION SET EAST OF THE 0 METER POINT. ALL POINTS ARE SET ON A LINE ALONG THE NORTH EDGE AND PARALLEL TO A FLOOD CANAL. THE 0 METER POINT IS A STANDARD CALIBRATION BASE LINE DISC, STAMPED "0 1986", SET IN THE TOP OF A 30 CM (12 IN) DIAMETER CONCRETE POST PROJECTING 6 CM (2.5 IN) ABOVE THE GROUND, 1.0 METERS (3.3 FT) WEST OF A WITNESS POST, 8.3 METERS (27.2 FT) SOUTH OF A WIRE FENCE, AND 5.0 METERS (16.4 FT) NORTH OF THE NORTH EDGE OF THE FLOOD CANAL. THE 150 METER POINT IS A STANDARD NGS CALIBRATION BASE LINE DISC, STAMPED "150 1986", SET IN THE TOP OF A 30 CM (12 IN) DIAMETER CONCRETE POST PROJECTING 6 CM (2.5 IN) ABOVE THE GROUND, 1.3 METERS (4.3 FT) WEST OF A WITNESS POST, 8.3 METERS (27.2 FT) SOUTH OF A WIRE FENCE, AND 6.0 METER (19.7 FT) NORTH OF THE NORTH EDGE OF THE FLOOD CANAL. THE 430 METER POINT IS A STANDARD NGS CALIBRATION BASE LINE DISC, STAMPED "430 1986", SET IN THE TOP OF A 30 CM (12 IN) DIAMETER CONCRETE POST PROJECTING 6 CM (2.5 IN) ABOVE THE GROUND, 1.3 METERS (4.3 FT) WEST OF A WITNESS POST, 8.1 METERS (26.6 FT) SOUTH OF A WIRE FENCE, AND 5.4 METERS (17.7 FT) NORTH OF THE NORTH EDGE OF THE FLOOD CANAL. THE 1400 METER POINT IS A STANDARD NGS CALIBRATION BASE LINE DISC, STAMPED "1400 1986", SET IN THE TOP OF A 30 CM (12 IN) DIAMETER CONCRETE POST PROJECTING 6 CM (2.5 IN) ABOVE THE GROUND, 2.4 METERS (7.9 FT) WEST OF A WITNESS POST, 7.4 METERS (24.3 FT) SOUTH OF A WIRE FENCE, 6.0 METERS (19.7 FT) NORTH OF THE NORTH EDGE OF THE FLOOD CANAL, AND 0.5 METERS (1.6 FT) NORTH OF A 5 METER (16.4 FT) DIAMETER HALF CIRCLE CONCRETE ENBANKMENT. THE 100 FOOT (30.48 METER) TAPING STATION IS A STANDARD NGS CALIBRATION BASE LINE TAPING DISC, WITH A PUNCH MARK AT THE CENTER, STAMPED "30.48 1986", SET IN THE TOP OF A 30 CM (12 IN) DIAMETER CONCRETE POST PROJECTING 6 CM (2.5 IN) ABOVE THE GROUND, 0.9 METERS (3.0 FT) WEST OF A WITNESS POST, 8.4 METERS (27.6 FT) SOUTH OF A WIRE FENCE, AND 6.0 METERS (19.7 FT) NORTH OF THE NORTH EDGE OF A FLOOD CANAL. USER NOTES: THIS BASE LINE IS LOCATED ON A RESTRICTED ACCESS AREA OF THE CAMARILLO AIRPORT AND A KEY IS NEEDED FOR ENTRY THROUGH THE GATE FROM THE POINT OF CONTACT, DICK CHAPMAN, COUNTY OF VENTURA. ALL POINT ELEVATIONS ARE FOR BASE LINE USE ONLY. 1THIS BASE LINE WAS ESTABLISHED IN CONJUNCTION WITH THE COUNTY OF VENTURA AND THE PACIFIC MISSILE TEST CENTER, DEPARTMENT OF THE NAVY. FOR MORE INFORMATION, PLEASE CONTACT MR. DICK CHAPMAN, PUBLIC WORKS AGENCY, COUNTY OF VENTURA 800 S. VICTORIA AVE.,VENTURA, CA., 93009, TELEPHONE (805) 654-2089. VERIFICATION OF: VENTURA BASE LINE YEAR MEASURED: 1987 YEAR VERIFIED: 1990 CHIEF OF PARTY: LPB THIS BASE LINE WAS VERIFIED IN JANUARY 1990 BY THE NATIONAL GEODETIC SURVEY CALIBRATION BASE LINE FIELD PARTY. 1US DEPARTMENT OF COMMERCE - NOAA CALIBRATION BASE LINE DATA QUAD: N411221 NOS - NATIONAL GEODETIC SURVEY BASE LINE DESIGNATION: YREKA CALIFORNIA ROCKVILLE MD 20852 PROJECT ACCESSION NUMBER: G15753 SISKIYOU COUNTY NEAREST TOWN: MONTAGUE LIST OF ADJUSTED DISTANCES (DECEMBER 14, 1987) ADJ. DIST.(M) ADJ. DIST.(M) STD. FROM STATION ELEV.(M) TO STATION ELEV.(M) HORIZONTAL MARK - MARK ERROR(MM) 0 807.000 150 806.158 150.0074 150.0097 0.1 0 807.000 430 804.810 430.0055 430.0111 0.3 0 807.000 802 803.212 802.5220 802.5309 0.5 150 806.158 430 804.810 279.9982 280.0014 0.3 150 806.158 802 803.212 652.5146 652.5213 0.5 430 804.810 802 803.212 372.5165 372.5199 0.3 A CALIBRATION MONUMENT WAS SET AT 100 FOOT POINT OF THE BASELINE. REDUCED DISTANCE IS 99.949 FT. CORRECTED 11/24/87 DESCRIPTION OF YREKA BASE LINE YEAR MEASURED: 1987 CHIEF OF PARTY: MTL THE BASE LINE IS LOCATED 17.6 KM (11.0 MI) NORTHEAST OF YREKA, 16.8 KM (10.5 MI) NORTHEAST OF THE JUNCTION OF INTERSTATE 5 AND STATE ROUTE 3, 7.0 KM (4.4 MI) NORTH OF MONTAGUE, AND IS SET AT THE SOUTHWEST SECTION OF THE SISKIYOU COUNTY AIRPORT. TO REACH THE BASE LINE FROM THE JUNCTION OF INTERSTATE 5 AND STATE ROUTE 3, GO EAST ON STATE ROUTE 3 FOR 9.0 KM (5.6 MI) TO A "T" JUNCTION. TURN LEFT AND GO NORTH ON STATE ROUTE 3 INTO MONTAGUE CITY CENTER FOR 0.4 KM (0.25 MI) TO AN INTERSECTION AND RAILROAD CROSSING, WEBB ST. TURN RIGHT AND GO EAST ON WEBB ST./STATE ROUTE 3, FOR 0.32 KM (0.2 MI) TO AN INTERSECTION, 9TH ST. TURN LEFT AND GO NORTH ON 9TH ST./AIRPORT RD. FOR 5.4 KM (3.4 MI) TO A PAVED SIDE ROAD RIGHT AND THE SOUTH ENTRANCE TO THE SISKIYOU COUNTY AIRPORT, PERIMETER ROAD. TURN RIGHT ON PERIMETER ROAD AND GO EAST FOR 0.4 KM (0.25 MI) TO A PAVED SIDE ROAD LEFT AND THE CALIFORNIA CONSERVA- TION CORPS BUILDING ON THE RIGHT. TURN LEFT AND GO NORTH FOR 0.16 KM (0.1 MI) TO A LARGE CONCRETE PAD AND METAL HANGAR ON THE LEFT. GO NORTHWEST ACROSS THE PAD TO A PAVED ROAD FOR 0.16 KM (0.1 MI) TO A TURN RIGHT AND THE SOUTHWEST-NORTHEAST TAXIWAY. TURN RIGHT AND FIND THE 802 METER POINT AT THE CORNER ON THE RIGHT. CONTINUE NORTHEAST ON THE TAXIWAY FOR 0.8 KM (0.5 MI) TO THE 0 METER POINT ON THE RIGHT. THE BASE LINE IS A NORTHEAST-SOUTHWEST LINE WITH THE 0 METER POINT AT THE NORTHEAST END. THE BASE LINE IS A FOUR POINT BASE CONSISTING OF THE 0, 150, 430, AND 802 METER POINTS. THERE IS ALSO A 100 FOOT TAPE STATION SOUTH-WEST OF THE 0 METER POINT. ALL POINTS ARE SET ON A LINE WHICH RUNS PARALLEL TO AND ALONG THE EAST EDGE OF THE PAVED TAXIWAY. THE 0 METER POINT IS A STANDARD NGS CALIBRATIN BASE LINE DISC, STAMPED "0 M 1987", SET IN THE TOP OF 55 CM (22 IN) DIAMETER CONCRETE POST PROJECTING 5 CM (2 IN) ABOVE THE GROUND, 0.8 METERS (2.6 FT) WEST OF A WITNESS POST, AND 0.9 METERS (3.0 FT) EAST OF THE EAST EDGE OF THE TAXIWAY. THE 150 METER POINT IS A STANDARD NGS CALIBRATION BASE LINE DISC, STAMPED "150 M 1987", SET IN THE TOP OF A 55 CM (22 IN) DIAMETER CONCRETE POST PROJECTING 5 CM (2 IN) ABOVE THE GROUND, 0.8 METERS (2.6 FT) WEST OF A WITNESS POST, AND 1.0 METER (3.3 FT) EAST OF THE EAST EDGE OF THE TAXIWAY. THE 430 METER POINT IS A STANDARD NGS CALIBRATION BASE LINE DISC, STAMPED "430 M 1987", SET IN THE TOP OF A 60 CM (24 IN) DIAMETER CONCRETE POST PROJECTING 5 CM (2 IN) ABOVE THE GROUND, 0.75 METERS (2.5 FT) WEST OF A WITNESS POST, AND 1.0 METER (3.3 FT) EAST OF THE EAST EDGE OF THE TAXIWAY. THE 802 METER POINT IS A STANDARD NGS CALIBRATION BASE LINE DISC, STAMPED "802 M 1987", SET IN THE TOP OF A 80 CM (31 IN) DIAMETER CONCRETE POST FLUSH WITH THE GROUND, 0.75 METERS (2.5 FT) WEST OF A WITNESS POST, AND O.6 METERS (2.0 FT) EAST OF THE EAST EDGE OF THE TAXIWAY. THE 100 FOOT TAPE STATION IS A STANDARD NGS CALIBRATION BASE LINE TAPE DISC WITH A PUNCH MARK AT THE CENTER, SET IN THE TOP OF A 55 CM (22 IN) DIAMETER CONCRETE POST PROJECTING 5 CM (2 IN) ABOVE THE GROUND, 0.74 METERS (2.4 FT) WEST OF A WITNESS POST, 1.0 METER (3.3 FT) EAST OF THE EAST EDGE OF THE TAXIWAY, AND 30.48 METERS (100 FT) SOUTHWEST OF THE 0 METER POINT. USER NOTES: AT NO TIME SHOULD RUNWAYS BE DRIVEN ON OR CROSSED. ALL POINT ELEVATIONS FOR BASE LINE USE ONLY. 1THIS BASE LINE WAS ESTABLISHED IN CONJUNCTION WITH THE U. S. FOREST SERVICE, SISKIYOU COUNTY, AND THE SISKIYOU COUNTY ENGINEERS & LAND SURVEYORS ASSOCIATION. FOR MORE INFORMATION, PLEASE CONTACT THE SISKIYOU COUNTY SURVEYOR'S OFFICE, 305 BUTTE STREET, YREKA, CA., 96097. TELEPHONE (916) 842-3531 EXT. 233.