1 National Geodetic Survey, Retrieval Date = AUGUST 4, 2003 JR0751 *********************************************************************** JR0751 FBN - This is a Federal Base Network Control Station. JR0751 DESIGNATION - BRIDGEPORT JR0751 PID - JR0751 JR0751 STATE/COUNTY- CA/MONO JR0751 USGS QUAD - BRIDGEPORT (1989) JR0751 JR0751 *CURRENT SURVEY CONTROL JR0751 ___________________________________________________________________ JR0751* NAD 83(1998)- 38 15 33.71378(N) 119 13 23.70225(W) ADJUSTED JR0751* NAVD 88 - 1971.7 (meters) 6469. (feet) GPS OBS JR0751 ___________________________________________________________________ JR0751 EPOCH DATE - 1998.50 JR0751 X - -2,448,969.889 (meters) COMP JR0751 Y - -4,377,743.221 (meters) COMP JR0751 Z - 3,929,295.865 (meters) COMP JR0751 LAPLACE CORR- 0.15 (seconds) DEFLEC99 JR0751 ELLIP HEIGHT- 1947.39 (meters) (04/06/00) GPS OBS JR0751 GEOID HEIGHT- -24.30 (meters) GEOID99 JR0751 JR0751 HORZ ORDER - A JR0751 VERT ORDER - FIRST CLASS II (See Below) JR0751 ELLP ORDER - THIRD CLASS I JR0751 JR0751.ITRF positions are available for this station. JR0751.The horizontal coordinates were established by GPS observations JR0751.and adjusted by the National Geodetic Survey in April 2000. JR0751.This is a SPECIAL STATUS position. See SPECIAL STATUS under the JR0751.DATUM ITEM on the data sheet items page. JR0751.The horizontal coordinates are valid at the epoch date displayed above. JR0751.The epoch date for horizontal control is a decimal equivalence JR0751.of Year/Month/Day. JR0751 JR0751.The orthometric height was determined by GPS observations and a JR0751.high-resolution geoid model. JR0751.The vertical order pertains to the superseded datum. JR0751 JR0751.The X, Y, and Z were computed from the position and the ellipsoidal ht. JR0751 JR0751.The Laplace correction was computed from DEFLEC99 derived deflections. JR0751 JR0751.The ellipsoidal height was determined by GPS observations JR0751.and is referenced to NAD 83. JR0751 JR0751.The geoid height was determined by GEOID99. JR0751 JR0751; North East Units Scale Converg. JR0751;SPC CA 3 - 696,022.814 2,111,736.944 MT 0.99996846 +0 46 54.0 JR0751;SPC CA 3 - 2,283,534.85 6,928,256.96 sFT 0.99996846 +0 46 54.0 JR0751;UTM 11 - 4,236,930.301 305,482.515 MT 1.00006600 -1 22 37.6 JR0751 JR0751: Primary Azimuth Mark Grid Az JR0751:SPC CA 3 - BRIDGEPORT AZ MK 061 40 51.9 JR0751:UTM 11 - BRIDGEPORT AZ MK 063 50 23.5 JR0751 JR0751|---------------------------------------------------------------------| JR0751| PID Reference Object Distance Geod. Az | JR0751| dddmmss.s | JR0751| DA8816 BRIDGEPORT AZ MK 0622745.9 | JR0751| AH5800 BRIDGEPORT RM 3 5.515 METERS 08437 | JR0751| JR0749 BRIDGEPORT RM 1 14.595 METERS 09727 | JR0751| JR0752 BRIDGEPORT RM 2 10.586 METERS 35229 | JR0751|---------------------------------------------------------------------| JR0751 JR0751 SUPERSEDED SURVEY CONTROL JR0751 JR0751 NAD 83(1992)- 38 15 33.71110(N) 119 13 23.69842(W) AD(1991.35) B JR0751 ELLIP HT - 1947.35 (m) (05/15/92) GP(1991.35) 4 2 JR0751 NAD 83(1986)- 38 15 33.69342(N) 119 13 23.69725(W) AD(1984.00) 2 JR0751 NAD 27 - 38 15 33.98000(N) 119 13 20.14200(W) AD( ) 2 JR0751 NGVD 29 - 1970.472 (m) 6464.79 (f) ADJ UNCH 1 2 JR0751 JR0751.Superseded values are not recommended for survey control. JR0751.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JR0751.See file dsdata.txt to determine how the superseded data were derived. JR0751 JR0751_U.S. NATIONAL GRID SPATIAL ADDRESS: 11SLC0548336930(NAD 83) JR0751_MARKER: DS = TRIANGULATION STATION DISK JR0751_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT JR0751_STAMPING: BRIDGEPORT 1956 JR0751_MARK LOGO: CGS JR0751_PROJECTION: FLUSH JR0751_MAGNETIC: N = NO MAGNETIC MATERIAL JR0751_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO JR0751+STABILITY: SURFACE MOTION JR0751_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR JR0751+SATELLITE: SATELLITE OBSERVATIONS - July 08, 2003 JR0751 JR0751 HISTORY - Date Condition Report By JR0751 HISTORY - 1956 MONUMENTED CGS JR0751 HISTORY - 1957 GOOD USGS JR0751 HISTORY - 1957 GOOD NGS JR0751 HISTORY - 1974 SEE DESCRIPTION USGS JR0751 HISTORY - 1976 SEE DESCRIPTION NGS JR0751 HISTORY - 19910529 GOOD NGS JR0751 HISTORY - 19930901 GOOD CADT JR0751 HISTORY - 19980513 GOOD NGS JR0751 HISTORY - 19990506 GOOD NGS JR0751 HISTORY - 20030708 GOOD CADT JR0751 JR0751 STATION DESCRIPTION JR0751 JR0751'DESCRIBED BY COAST AND GEODETIC SURVEY 1956 (RLE) JR0751'THE STATION IS LOCATED ABOUT 1/2 MILE NORTHEAST OF THE COURTHOUSE JR0751'IN BRIDGEPORT, AT THE BRYANT AIRPORT, NEAR A FENCE ALONG THE JR0751'WEST SIDE OF THE RUNWAY. THE MARK IS 175 YARDS NORTH OF AND JR0751'OLD HANGAR, 300 FEET WEST OF STATE HIGHWAY 22, 6 FEET SOUTHEAST JR0751'OF A TRIANGLE BLAZED POST AND 5 FEET EAST OF A FENCE. IT IS JR0751'STAMPED BRIDGEPORT 1956 AND SET FLUSH. JR0751' JR0751'REFERENCE MARK NO. 1 IS 40 FEET WEST OF A FENCE. IT IS STAMPED JR0751'BRIDGEPORT NO 1 1956 AND IS SET FLUSH. JR0751' JR0751'REFERENCE MARK NO. 2 IS 1 FOOT EAST OF A FENCE. IT IS STAMPED JR0751'BRIDGEPORT NO 2 1956 AND IS SET FLUSH. JR0751' JR0751'THE AZIMUTH MARK IS 400 FEET WEST OF A CEMETERY ENTRANCE AND 33 JR0751'FEET NORTH OF THE CENTER OF THE DIRT ROAD LEADING TO THE CEMETERY. JR0751'IT IS STAMPED BRIDGEPORT 1956 AND PROJECTS 3 INCHES. JR0751' JR0751'TO REACH THE STATION FROM THE COURTHOUSE IN BRIDGEPORT, GO JR0751'EAST ON U.S. HIGHWAY 395 FOR 0.3 MILE TO ITS JUNCTION WITH JR0751'STATE HIGHWAY 22, TURN LEFT ON STATE HIGHWAY 22 AND GO 0.3 MILE JR0751'TO A DIRT ROAD ON THE RIGHT, TURN LEFT AND GO ACROSS AIRPORT JR0751'RUNWAY FOR 300 FEET TO THE STATION AS DESCRIBED. JR0751' JR0751'TO REACH THE AZIMUTH MARK FROM THE JUNCTION OF U.S. HIGHWAY JR0751'395 AND STATE HIGHWAY 22, GO NORTH ON STATE HIGHWAY 22 FOR 0.3 JR0751'MILE TO A SIDE ROAD RIGHT, TURN RIGHT AND GO 0.2 MILE TO THE JR0751'AZIMUTH MARK ON THE LEFT AS DESCRIBED. JR0751 JR0751 STATION RECOVERY (1957) JR0751 JR0751'RECOVERY NOTE BY US GEOLOGICAL SURVEY 1957 JR0751'RECOVERED AS DESCRIBED BY CGS. ALL MARKS IN GOOD CONDITION. JR0751' JR0751'1974 NOTE FROM FORM 9-1165--STATION IS NOW IN PAVED TAXIWAY, 156 JR0751'FT N. OF SOUTH END OF PAVEMENT, 52 FT E. OF WEST EDGE OF JR0751'PAVEMENT, 17 FT W. OF EAST EDGE OF PAVEMENT, 0.5 FT BELOW JR0751'SURFACE. RMS NOT RECOVERED, RM 1 PROBABLY DESTROYED, RM 2 JR0751'PROBABLY COVERED BY PAVING. JR0751 JR0751 STATION RECOVERY (1957) JR0751 JR0751'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1957 JR0751'0.6 MI NE FROM BRIDGEPORT. JR0751'0.3 MILE EAST ALONG U.S. HIGHWAY 395 FROM THE COURTHOUSE AT JR0751'BRIDGEPORT, THENCE 0.3 MILE NORTH ALONG STATE HIGHWAY 22, AT JR0751'BRYANT AIRPORT, 300 FEET WEST OF THE CENTER LINE OF THE HIGHWAY, JR0751'239 FEET NORTH OF A 2-INCH IRON PIPE SUPPORTING A WINDSOCK, 14 JR0751'FEET WEST OF THE CENTER LINE OF A TRACK ROAD, 5.1 FEET EAST OF JR0751'A FENCE, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.1 JR0751'FOOT ABOVE THE GROUND. JR0751 JR0751 STATION RECOVERY (1974) JR0751 JR0751'RECOVERY NOTE BY US GEOLOGICAL SURVEY 1974 (WAO) JR0751'FOUND AS DESCRIBED EXCEPT AS FOLLOWS--THE STATION MARKS NOW JR0751'FALLS IN A PAVED TAXIWAY AND IS 17 FT W OF THE E EDGE OF THE JR0751'PAVEMENT, 52 FT E OF THE W EDGE OF THE PAVEMENT, 156 FT N OF THE JR0751'S END OF THE PAVEMENT, AND 0.5 FT BELOW THE PAVED SURFACE. THE JR0751'R.M.S WERE NOT RECOVERED. NO 1 HAS PROBABLY BEEN DESTROYED BY JR0751'GRADING AND NO 2 IS PROBABLY COVERED BY THE PAVED TAXIWAY. JR0751'THE AZ MK WAS RECOVERED IN GOOD CONDITION. JR0751 JR0751 STATION RECOVERY (1976) JR0751 JR0751'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1976 (CLN) JR0751'THE STATION MARK, AZIMUTH MARK, AND REFERENCE MARK 2 WERE JR0751'RECOVERED IN GOOD CONDITION AND THE DISTANCE AND DIRECTION FROM JR0751'THE STATION MARK TO REFERENCE MARK 2 MEASURED ON THIS DATE JR0751'COMPARED FAVORABLY WITH THE 1956 MEASUREMENTS. REFERENCE MARK 1 JR0751'WAS FOUND TO HAVE BEEN GRADED OUT OF THE GROUND SO REFERENCE MARK JR0751'3 WAS SET ON THIS DATE. A COMPLETE DESCRIPTION FOLLOWS-- JR0751' JR0751'THE STATION IS LOCATED AT THE BRYANT AIRPORT 1/3 MILE NORTHEAST JR0751'OF THE MONO COUNTY COURTHOUSE AT BRIDGEPORT. JR0751' JR0751'TO REACH THE STATION FROM THE MONO COUNTY COURTHOUSE AT JR0751'BRIDGEPORT GO EAST ON U.S. HIGHWAY 395 FOR 0.3 MILE TO AN JR0751'INTERSECTION. TURN LEFT ONTO STATE HIGHWAY 182 AND GO NORTH 0.2 JR0751'MILE TO A SIDE ROAD ON THE LEFT. TURN LEFT AND GO NORTHWEST 0.05 JR0751'MILE TO THE AIRPORT ENTRANCE ON THE RIGHT. TURN RIGHT, CROSS JR0751'A CATTLE GUARD, AND GO NORTH ON A PAVED TAXIWAY 0.05 MILE TO JR0751'THE STATION SITE. JR0751' JR0751'THE SURFACE STATION MARK IS A C AND GS TRIANGULATION STATION JR0751'DISK STAMPED BRIDGEPORT 1956 SET IN THE TOP OF A CONCRETE POST JR0751'0.5 FOOT BELOW THE PAVED SURFACE OF A TAXIWAY AND BENEATH A JR0751'6-1/2-INCH CAST-IRON HAND HOLE COVER, 398 FEET WEST OF THE CENTER JR0751'LINE OF STATE HIGHWAY 182, 386 FEET NORTH OF THE CENTER OF A JR0751'CATTLE GUARD AT THE ENTRANCE TO THE AIRPORT, 156 FEET WEST OF THE JR0751'CENTER LINE OF THE RUNWAY, 54 FEET EAST OF THE WEST EDGE OF THE JR0751'PAVEMENT, AND 17 FEET WEST OF THE EAST EDGE OF THE PAVEMENT. JR0751' JR0751'REFERENCE MARK 2 IS A C AND GS REFERENCE MARK DISK STAMPED JR0751'BRIDGEPORT NO 2 1956 SET IN THE TOP OF A CONCRETE POST 0.5 FOOT JR0751'BELOW THE PAVED SURFACE OF THE TAXIWAY AND BENEATH A 6-1/2-INCH JR0751'CAST-IRON HAND HOLE COVER, 421 FEET NORTH OF THE CENTER OF THE JR0751'CATTLE GUARD AT THE ENTRANCE TO THE AIRPORT, 402 FEET WEST OF THE JR0751'CENTER LINE OF THE HIGHWAY, 50 FEET EAST OF THE WEST EDGE OF THE JR0751'PAVEMENT, 21 FEET WEST OF THE EAST EDGE OF THE PAVEMENT, AND JR0751'ABOUT THE SAME ELEVATION AS THE STATION MARK. JR0751' JR0751'REFERENCE MARK 3 IS AN NGS REFERENCE MARK DISK STAMPED BRIDGEPORT JR0751'1956 NO 3 1976 SET IN THE TOP OF A 10-INCH CONCRETE CYLINDER 0.2 JR0751'FOOT BELOW THE SURFACE OF THE GROUND, 389 FEET NORTH OF THE CENTER JR0751'OF THE CATTLE GUARD AT THE ENTRANCE TO THE AIRPORT, 380 FEET JR0751'WEST OF THE CENTER LINE OF THE HIGHWAY, 1 FOOT EAST OF THE EAST JR0751'EDGE OF THE TAXIWAY PAVEMENT, AND ABOUT 1/2 FOOT HIGHER THAN JR0751'THE STATION MARK. JR0751' JR0751'THE AZIMUTH MARK IS LOCATED ON THE NORTH SIDE OF AURORA ROAD 0.05 JR0751'MILE WEST OF THE ENTRANCE TO THE BRIDGEPORT CEMETERY AND IS A JR0751'C AND GS AZIMUTH MARK DISK STAMPED BRIDGEPORT 1956 SET IN THE TOP JR0751'OF A 10-INCH-SQUARE CONCRETE POST PROJECTING 0.2 FOOT ABOVE THE JR0751'GROUND AND IS 115 FEET WEST OF THE CENTER OF THE JUNCTION OF JR0751'AURORA ROAD AND THE CEMETERY ENTRANCE ROAD, 34 FEET NORTH OF THE JR0751'CENTER LINE OF AURORA ROAD, 1.3 FEET NORTH OF A METAL WITNESS JR0751'POST, AND ABOUT LEVEL WITH THE ROAD. JR0751' JR0751'TO REACH THE AZIMUTH MARK FROM THE INTERSECTION OF U.S. HIGHWAY JR0751'395 AND STATE HIGHWAY 182 AT BRIDGEPORT GO NORTH ON STATE HIGHWAY JR0751'182 FOR 0.3 MILE TO A SIDE ROAD ON THE RIGHT. TURN RIGHT ONTO JR0751'AURORA ROAD AND GO NORTHEAST 0.25 MILE TO THE MARK ON THE LEFT. JR0751' JR0751'AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN JR0751'AT BRIDGEPORT. JR0751 JR0751 STATION RECOVERY (1991) JR0751 JR0751'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1991 JR0751'THE STATION IS LOCATED AT THE BRYANT AIRPORT 0.3 MI (0.5 KM) NORTHEAST JR0751'OF THE MONO COUNTY COURTHOUSE AT BRIDGEPORT. JR0751'TO REACH THE STATION FROM THE MONO COUNTY COURTHOUSE IN BRIDGEPORT, GO JR0751'EAST ON U.S. HIGHWAY 395 FOR 0.3 MI (0.5 KM) TO THE JUNCTION OF STATE JR0751'HIGHWAY 182. TURN LEFT ON HIGHWAY 182 AND GO NORTH FOR 0.2 MI JR0751'(0.3 KM) TO A SIDE ROAD ON THE LEFT. TURN LEFT ON THE SIDE ROAD AND JR0751'GO NORTHWEST FOR 0.05 MI (0.08 KM) TO THE AIRPORT ENTRANCE ON THE JR0751'RIGHT. TURN RIGHT, CROSS CATTLE GUARD AND GO NORTH ON PAVED TAXIWAY JR0751'FOR 0.05 MI (0.08 KM) TO THE STATION. JR0751'THE STATION IS A STANDARD CGS DISK SET IN THE TOP OF A CONCRETE POST, JR0751'0.5 FT (0.2 M) BELOW THE PAVED SURFACE OF A TAXIWAY AND BENEATH A 6.5 JR0751'INCH CAST IRON HAND HOLE COVER. JR0751'REFERENCE MARK 2, STAMPED BRIDGEPORT NO 2 1956, IS A STANDARD CGS JR0751'DISK SET IN TOP OF A CONCRETE POST 0.5 FEET BELOW PAVED SURFACE OF A JR0751'TAXIWAY AND BENEATH A 6 1/2 INCH CAST IRON HAND HOLE COVER. JR0751'REFERENCE MARK 3, STAMPED BRIDGEPORT NO 3 1976, IS A STANDARD CGS JR0751'DISK SET IN TOP OF A 10 INCH DIAMETER CONCRETE CYLINDER 0.2 FEET JR0751'BELOW THE SURFACE OF THE GROUND. JR0751 JR0751 STATION RECOVERY (1993) JR0751 JR0751'RECOVERY NOTE BY CALTRANS 1993 (BLJ) JR0751'RECOVERED AS DESCRIBED BY THE NATIONAL GEODETIC SURVEY IN 1991. JR0751 JR0751 STATION RECOVERY (1998) JR0751 JR0751'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1998 (CSM) JR0751'THE STATION IS LOCATED NEAR THE SOUTHEAST SIDE OF BRIDGEPORT AT THE JR0751'BRYANT AIRPORT, EAST-NORTHEAST OF A TIEDOWN AREA NEAR RUNWAY END 34, JR0751'IN AND NEAR THE WEST-SOUTHWEST EDGE OF THE PAVED PARALLEL (MAIN) TAXI. JR0751'OWNERSHIP--U.S. FOREST SERVICE, BUREAU OF LAND MANAGEMENT, MONO JR0751'COUNTY, 76 STOCK DR, BRIDGEPORT CA. TO REACH THE STATION FROM THE JR0751'JUNCTION OF U.S. HIGHWAY 395 AND STATE HIGHWAY 182 NEAR THE SOUTH SIDE JR0751'OF BRIDGEPORT, GO NORTH-NORTHEAST FOR 0.2 KM (0.10 MI) ON HIGHWAY 182 JR0751'TO THE JUNCTION OF COURT ST ON THE LEFT. TURN LEFT, SOUTHWEST FOR JR0751'0.03 KM (0.00 MI) ON COURT ST TO THE JUNCTION OF STOCK DR ON THE JR0751'RIGHT. TURN RIGHT, NORTHWEST, THEN WEST FOR 0.16 KM (0.10 MI) ON JR0751'STOCK DRIVE TO THE AIRPORT ENTRANCE ON THE RIGHT. TURN RIGHT, JR0751'NORTH-NORTHWEST FOR 0.14 KM (0.10 MI), CROSSING A CATTLE GUARD AND JR0751'ALONG THE WEST-SOUTHWEST SIDE OF A TIEDOWN AREA, TO A GREEN METAL JR0751'HANGAR ON THE LEFT. TURN RIGHT, EAST-NORTHEAST FOR ABOUT 30 M (98.4 JR0751'FT), CROSSING THE TIEDOWN AREA, TO THE PARALLEL TAXI AND THE STATION. JR0751'LOCATED 47.3 M (155.2 FT) WEST-SOUTHWEST OF THE CENTER OF RUNWAY, 38.5 JR0751'M (126.3 FT) NORTHWEST OF THE CENTER OF RUNWAY END 34 SIGN, 15.8 M JR0751'(51.8 FT) NORTH-NORTHWEST OF THE JUNCTION OF PARALLEL TAXI AND ANGLE JR0751'TAXI, 9.4 M (30.8 FT) SOUTHWEST OF THE 1ST TAXI REFLECTOR AND WITNESS JR0751'POST NORTH-NORTHWEST OF RUNWAY END 34, 4.8 M (15.7 FT) WEST-SOUTHWEST JR0751'OF THE EAST-NORTHEAST EDGE OF THE PARALLEL TAXI, 1.15 M (3.77 FT) JR0751'SOUTH-SOUTHEAST OF THE EXTENDED LINE OF THE DISPLACED THRESHOLD LIGHTS JR0751'AND 20 CM BELOW THE PAVED TAXI SURFACE. ACCESS TO STATION IS THROUGH A JR0751'6.5 INCH CAST IRON COVER INSCRIBED RICH SURVEY LA. JR0751 JR0751 STATION RECOVERY (1999) JR0751 JR0751'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1999 (CSM) JR0751'RECOVERED AS DESCRIBED. JR0751 JR0751 STATION RECOVERY (2003) JR0751 JR0751'RECOVERY NOTE BY CALTRANS 2003 (KAR) JR0751'RECOVERED AS DESCRIBED. 1 National Geodetic Survey, Retrieval Date = AUGUST 4, 2003 HR0381 *********************************************************************** HR0381 DESIGNATION - X 123 HR0381 PID - HR0381 HR0381 STATE/COUNTY- CA/MONO HR0381 USGS QUAD - OLD MAMMOTH (1994) HR0381 HR0381 *CURRENT SURVEY CONTROL HR0381 ___________________________________________________________________ HR0381* NAD 83(1992)- 37 44 25.18963(N) 118 58 27.67524(W) ADJUSTED HR0381* NAVD 88 - 2281.860 (meters) 7486.40 (feet) ADJUSTED HR0381 ___________________________________________________________________ HR0381 EPOCH DATE - 1991.35 HR0381 X - -2,447,235.256 (meters) COMP HR0381 Y - -4,419,593.471 (meters) COMP HR0381 Z - 3,884,073.588 (meters) COMP HR0381 LAPLACE CORR- -4.35 (seconds) DEFLEC99 HR0381 ELLIP HEIGHT- 2257.23 (meters) (05/15/92) GPS OBS HR0381 GEOID HEIGHT- -24.56 (meters) GEOID99 HR0381 DYNAMIC HT - 2278.953 (meters) 7476.86 (feet) COMP HR0381 MODELED GRAV- 979,274.0 (mgal) NAVD 88 HR0381 OBS GRAVITY - 979,275.2 (mgal) GRAV_OBS HR0381 HR0381 HORZ ORDER - B HR0381 VERT ORDER - FIRST CLASS I HR0381 ELLP ORDER - FOURTH CLASS II HR0381 HR0381.The horizontal coordinates were established by GPS observations HR0381.and adjusted by the National Geodetic Survey in May 1992. HR0381.The horizontal coordinates are valid at the epoch date displayed above. HR0381.The epoch date for horizontal control is a decimal equivalence HR0381.of Year/Month/Day. HR0381 HR0381.The orthometric height was determined by differential leveling HR0381.and adjusted by the National Geodetic Survey in June 1991. HR0381.WARNING-GPS observations at this control monument resulted in a GPS HR0381.derived orthometric height which differed from the leveled height by HR0381.more than one decimeter (0.1 meter). HR0381 HR0381.The X, Y, and Z were computed from the position and the ellipsoidal ht. HR0381 HR0381.The Laplace correction was computed from DEFLEC99 derived deflections. HR0381 HR0381.The ellipsoidal height was determined by GPS observations HR0381.and is referenced to NAD 83. HR0381 HR0381.The geoid height was determined by GEOID99. HR0381 HR0381.The dynamic height is computed by dividing the NAVD 88 HR0381.geopotential number by the normal gravity value computed on the HR0381.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HR0381.degrees latitude (g = 980.6199 gals.). HR0381 HR0381.The modeled gravity was interpolated from observed gravity values. HR0381.The observed gravity was obtained from relative gravimeter ties HR0381.to the IGSN71 gravity network. HR0381 HR0381; North East Units Scale Converg. HR0381;SPC CA 3 - 638,748.949 2,134,456.865 MT 0.99992920 +0 56 02.6 HR0381;SPC CA 3 - 2,095,628.84 7,002,797.23 sFT 0.99992920 +0 56 02.6 HR0381;UTM 11 - 4,178,839.769 326,038.820 MT 0.99997275 -1 12 31.6 HR0381 HR0381 SUPERSEDED SURVEY CONTROL HR0381 HR0381 NAD 83(1986)- 37 44 25.17483(N) 118 58 27.67195(W) AD(1984.00) 1 HR0381 NGVD 29 - 2280.237 (m) 7481.08 (f) ADJ UNCH 1 1 HR0381 HR0381.Superseded values are not recommended for survey control. HR0381.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HR0381.See file dsdata.txt to determine how the superseded data were derived. HR0381 HR0381_U.S. NATIONAL GRID SPATIAL ADDRESS: 11SLB2603978840(NAD 83) HR0381_MARKER: DB = BENCH MARK DISK HR0381_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HR0381_STAMPING: X 123 1932 HR0381_MARK LOGO: CGS HR0381_PROJECTION: PROJECTING 10 CENTIMETERS HR0381_MAGNETIC: N = NO MAGNETIC MATERIAL HR0381_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HR0381+STABILITY: SURFACE MOTION HR0381_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR HR0381+SATELLITE: SATELLITE OBSERVATIONS - July 08, 2003 HR0381 HR0381 HISTORY - Date Condition Report By HR0381 HISTORY - 1932 MONUMENTED CGS HR0381 HISTORY - 1957 GOOD NGS HR0381 HISTORY - 1983 GOOD NGS HR0381 HISTORY - 1985 GOOD USGS HR0381 HISTORY - 1986 GOOD NGS HR0381 HISTORY - 1987 GOOD NGS HR0381 HISTORY - 19881010 GOOD NGS HR0381 HISTORY - 19910530 GOOD NGS HR0381 HISTORY - 19930901 GOOD CADT HR0381 HISTORY - 20021011 GOOD CONDOR HR0381 HISTORY - 20030708 GOOD CADT HR0381 HR0381 STATION DESCRIPTION HR0381 HR0381'DESCRIBED BY NATIONAL GEODETIC SURVEY 1957 HR0381'1 MI SE FROM CRESTVIEW. HR0381'1.0 MILE SOUTHEAST ALONG U.S. HIGHWAY 395 FROM THE CALIFORNIA HR0381'DIVISION OF HIGHWAYS MAINTENANCE STATION AT CRESTVIEW, ON TOP OF HR0381'THE SOUTH BANK OF A DEEP DRY WASH, 56 FEET SOUTHWEST OF THE CENTER HR0381'LINE OF THE HIGHWAY, 46.85 FEET NORTHEAST OF TRIANGULATION HR0381'STATION CRESTVIEW, ABOUT LEVEL WITH THE HIGHWAY, AND SET IN THE TOP HR0381'OF A CONCRETE POST PROJECTING 0.4 FOOT ABOVE THE GROUND. HR0381 HR0381 STATION RECOVERY (1983) HR0381 HR0381'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1983 HR0381'1.6 KM (1 MI) SOUTHEAST ALONG U.S. HIGHWAY 395 FROM THE LADH HR0381'MAINTENANCE SATATION AT CRESTVIEW, IN THE SOUTHEAST QUARTER, SECTION HR0381'27, R 27 E, T 2 S, NEAR THE BOUNDARY OF SECTIONS 26 AND 27, 17 METERS HR0381'(56 FT) SOUTHWEST FROM THE CENTER OF THE HIGHWAY, 30 METERS (100 FT) HR0381'NORTHEAST OF A STEEL MESH SNOW FENCE, 14.28 METERS (46.85 FT) HR0381'NORTHEAST OF TRIANGULATION STATION CRESTVIEW, ABOUT LEVEL WITH THE HR0381'HIGHWAY. HR0381 HR0381 STATION RECOVERY (1985) HR0381 HR0381'RECOVERY NOTE BY US GEOLOGICAL SURVEY 1985 HR0381'RECOVERED IN GOOD CONDITION. HR0381 HR0381 STATION RECOVERY (1986) HR0381 HR0381'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1986 HR0381'RECOVERED IN GOOD CONDITION. NEW DESCRIPTION FOLLOWS. 4.44 KM (2.76 HR0381'MI) NORTHEAST ALONG STATE HIGHWAY 158 FROM THE POST OFFICE IN JUNE HR0381'LAKE, THENCE 11.10 KM (6.90 MI) SOUTH ALONG US HIGHWAY 395, 0.60 KM HR0381'(0.37 MI) NORTH OF THE JUNCTION OF OWENS RIVER ROAD, 17.4 METERS (57 HR0381'FT) SOUTHWEST OF THE HIGHWAY CENTERLINE, 14.0 METERS (46 FT) EAST OF HR0381'TRIANGULATION STATION CRESTVIEW AND 12.2 METERS (40 FT) NORTHEAST OF HR0381'CRESTVIEW RM 1. HR0381'THE MARK IS 0.3 METERS W FROM A WITNESS POST HR0381 HR0381 STATION RECOVERY (1987) HR0381 HR0381'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1987 HR0381'RECOVERED IN GOOD CONDITION. HR0381 HR0381 STATION RECOVERY (1988) HR0381 HR0381'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1988 HR0381'RECOVERED IN GOOD CONDITION. HR0381 HR0381 STATION RECOVERY (1991) HR0381 HR0381'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1991 HR0381'THE STATION IS LOCATED ABOUT 38 MI (61.2 KM) SOUTH OF BRIDGEPORT, 1.0 HR0381'MI (1.6 KM) SOUTHEAST OF THE CALIFORNIA DEPARTMENT OF TRANSPORTATION HR0381'MAINTENANCE STATION AT CRESTVIEW AND 0.4 MI (0.6 KM) NORTH ALONG U.S. HR0381'HIGHWAY 395 FROM OWENS RIVER ROAD. HR0381'TO REACH THE STATION FROM THE CADT MAINTENANCE STATION AT CRESTVIEW, HR0381'GO SOUTH ON U.S. HIGHWAY 395 FOR 1.0 MI (1.6 KM) TO THE STATION ON HR0381'THE LEFT AT ABOUT POST MILE 33.2. HR0381'THE STATION IS A STANDARD BENCH MARK DISK SET IN THE TOP OF A CONCRETE HR0381'POST 0.4 FT (0.1 M) ABOVE THE GROUND. LOCATED IN DIRT MEDIAN 50.2 FT HR0381'(15.3 M) EAST OF THE EAST EDGE OF PAVEMENT OF HIGHWAY 395 SOUTHBOUND, HR0381'39.6 FT (12.1 M) WEST OF THE WEST EDGE OF PAVEMENT OF HIGHWAY 395 HR0381'NORTHBOUND AND 40 FT (12.2 M) SOUTHEAST OF A STANDARD 6 X 6 INCH HR0381'CONCRETE RIGHT-OF-WAY MONUMENT. HR0381 HR0381 STATION RECOVERY (1993) HR0381 HR0381'RECOVERY NOTE BY CALTRANS 1993 (JDD) HR0381'THE STATION WAS RECOVERED. A NEW TO REACH FOLLOWS. HR0381' HR0381'TO REACH THE STATION FROM THE JUNCTION OF U.S. HIGHWAY 395 AND STATE HR0381'HIGHWAY 203, EAST OF MAMMOTH LAKES, GO NORTH ON HIGHWAY 395 FOR 7.2 MI HR0381'(11.6 KM) TO A SIDE ROAD RIGHT, OWENS RIVER ROAD. CONTINUE NORTH ON HR0381'HIGHWAY 395 FOR 0.4 MI (0.6 KM) TO THE STATION ON THE LEFT IN THE HR0381'HIGHWAY MEDIAN AT POST MILE 33.2. HR0381' HR0381'THE STATION IS MIDWAY BETWEEN TWO 4-INCH CONCRETE-FILLED STEEL PIPES HR0381'AND ABOUT 4 FT (1.2 M) FROM EACH. THE PIPES PROJECT ABOUT 3 FT (0.9 M) HR0381'ABOVE THE GROUND. HR0381 HR0381 STATION RECOVERY (2002) HR0381 HR0381'RECOVERY NOTE BY CONDOR TECHNOLOGIES 2002 (JPG) HR0381'RECOVERED IN GOOD CONDITION. HR0381 HR0381 STATION RECOVERY (2003) HR0381 HR0381'RECOVERY NOTE BY CALTRANS 2003 (KAR) HR0381'RECOVERED AS DESCRIBED.