National Geodetic Survey, Retrieval Date = OCTOBER 31, 1999 EV4047 *********************************************************************** EV4047 DESIGNATION - GOLD EV4047 PID - EV4047 EV4047 STATE/COUNTY- CA/SAN BERNARDINO EV4047 USGS QUAD - BIG BEAR CITY (1980) EV4047 EV4047 *CURRENT SURVEY CONTROL EV4047 ___________________________________________________________________ EV4047* NAD 83(1992)- 34 17 18.45368(N) 116 50 21.52428(W) ADJUSTED EV4047* NAVD 88 - 2511.8 (meters) 8241. (feet) VERTCON EV4047 ___________________________________________________________________ EV4047 EPOCH DATE - 1991.35 EV4047 LAPLACE CORR- -1.72 (seconds) DEFLEC99 EV4047 GEOID HEIGHT- -29.90 (meters) GEOID99 EV4047 EV4047 HORZ ORDER - FIRST EV4047 EV4047.The horizontal coordinates were established by classical geodetic methods EV4047.and adjusted by the National Geodetic Survey in June 1996. EV4047.The horizontal coordinates are valid at the epoch date displayed above. EV4047.The epoch date for horizontal control is a decimal equivalence EV4047.of Year/Month/Day. EV4047 EV4047.The NAVD 88 height was computed by applying the VERTCON shift value to EV4047.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) EV4047 EV4047.The Laplace correction was computed from DEFLEC99 derived deflections. EV4047 EV4047.The geoid height was determined by GEOID99. EV4047 EV4047; North East Units Scale Converg. EV4047;SPC CA 5 - 1,929,382.07 6,912,252.68 sFT 0.99995451 +0 39 41.8 EV4047;SPC CA 5 - 588,076.831 2,106,858.831 MT 0.99995451 +0 39 41.8 EV4047;UTM 11 - 3,794,152.214 514,788.820 MT 0.99960270 +0 05 25.9 EV4047 EV4047: Primary Azimuth Mark Grid Az EV4047:SPC CA 5 - L 1152 084 40 48.7 EV4047:UTM 11 - L 1152 085 15 04.6 EV4047 EV4047|---------------------------------------------------------------------| EV4047| PID Reference Object Distance Geod. Az | EV4047| dddmmss.s | EV4047| GOLD RM 1 4.312 METERS 05111 | EV4047| EV0521 L 1152 APPROX. 3.4 KM 0852030.5 | EV4047| GOLD RM 2 10.712 METERS 27352 | EV4047|---------------------------------------------------------------------| EV4047 EV4047 SUPERSEDED SURVEY CONTROL EV4047 EV4047 NAD 83(1986)- 34 17 18.45541(N) 116 50 21.53377(W) AD(1984.00) 1 EV4047 NAD 27 - 34 17 18.43100(N) 116 50 18.42100(W) AD( ) 1 EV4047 NGVD 29 - 2510.7 (m) 8237. (f) VERT ANG EV4047 EV4047.Superseded values are not recommended for survey control. EV4047.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. EV4047.See file dsdata.txt to determine how the superseded data were derived. EV4047 EV4047_MARKER: DS = TRIANGULATION STATION DISK EV4047_SETTING: 80 = SET IN A BOULDER EV4047_MAGNETIC: N = NO MAGNETIC MATERIAL EV4047_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO EV4047+STABILITY: SURFACE MOTION EV4047 EV4047 HISTORY - Date Condition Recov. By EV4047 HISTORY - 1929 MONUMENTED CGS EV4047 HISTORY - 1965 MONUMENTED CGS EV4047 HISTORY - 1973 MONUMENTED NGS EV4047 HISTORY - 1981 GOOD CADT EV4047 EV4047 STATION DESCRIPTION EV4047 EV4047'DESCRIBED BY COAST AND GEODETIC SURVEY 1929 (GLB) EV4047'ON HIGHEST POINT OF GOLD MOUNTAIN, ABOUT 1-1/2 MILES NORTHWEST EV4047'OF BALDWIN LAKE IN THE SAN BERNARDINO RANGE. TO REACH FROM EV4047'BEAR LAKE, FOLLOW ROAD LEADING TO LUCERNE VALLEY TO SIGNBOARD EV4047'POINTING LEFT TO THE DOBLE MINE, GO ABOUT 2 MILES ON THIS ROAD EV4047'PAST MINE BUILDINGS TO POINT WHERE ROAD CROSSES A RIDGE, AND EV4047'GO ABOUT 1-1/2 MILES UP RIDGE TO HIGHEST POINT ON MOUNTAIN. EV4047'MARKED BY STANDARD STATION DISK IN BEDROCK, NOTE 2. REFERENCE EV4047'MARKS ARE STANDARD REFERENCE DISKS IN BEDROCK, NOTE 12A. NO. EV4047'1 IS 4.310 METERS (14.14 FEET) FROM STATION IN AZIMUTH 281 EV4047'DEG 12 MIN. NO. 2 IS 10.720 METERS (35.17 FEET) FROM EV4047'STATION IN AZIMUTH 93 DEG 53 MIN. EV4047 EV4047 STATION RECOVERY (1965) EV4047 EV4047'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1965 (JJL) EV4047'ALL MARKS WERE RECOVERED AND IN GOOD CONDITION. THE DISTANCE EV4047'TO REFERENCE MARKS 1 AND 2 CHECKED. A DIFFERENCE OF 2 MINUTES EV4047'AND 18.4 SECONDS WAS NOTED IN THE DIRECTION TO REFERENCE MARK EV4047'1. A DIFFERENCE OF 1 MINUTE AND 24.9 SECONDS WAS NOTED IN THE EV4047'DIRECTION TO REFERENCE MARK 2. EV4047' EV4047'THE FOLLOWING IS A COMPLETE NEW DESCRIPTION-- EV4047' EV4047'THE STATION IS LOCATED ABOUT 13 MILES SOUTHEAST OF LUCERNE VALLEY, EV4047'2 MILES NORTH OF BIG BEAR CITY AND ON THE EASTERN END OF WHAT IS EV4047'LOCALLY KNOWN AS GOLD MOUNTAIN. EV4047' EV4047'TO REACH THE STATION FROM THE POST OFFICE IN LUCERNE VALLEY, GO EV4047'SOUTHEAST ON STATE HIGHWAY 18 FOR 15.05 MILES TO THE TOP OF A EV4047'PASS AND THE AZIMUTH MARK ON THE LEFT. CONTINUE SOUTH AND WEST EV4047'ON STATE HIGHWAY 18 FOR 0.8 MILE TO A Y-FORK. TAKE THE RIGHT EV4047'FORK AND GO WEST ON HOLCOMB VALLEY ROAD FOR 1.0 MILE TO A EV4047'Y-FORK. TAKE THE LEFT FORK AND GO NORTHWEST, WEST AND SOUTH ON EV4047'A GRADED ROAD FOR 0.75 MILE TO A 3-WAY FORK. TAKE THE LEFT EV4047'FORK AND GO WEST AND SOUTH ON A GRADED ROAD FOR 2.05 MILES TO A EV4047'SIDE ROAD LEFT AT SIGN SARAGOSA SPR. 1/4. TURN LEFT AND GO EV4047'EAST ON A DIRT ROAD FOR 0.8 MILE TO THE END OF THE ROAD AND END EV4047'OF TRUCK TRAVEL. FROM HERE PACK EAST UPHILL FOR ABOUT 1/2 EV4047'MILE TO THE TOP OF A RIDGE. BEAR RIGHT AND PACK SOUTHEAST ALONG EV4047'THE TOP OF THE RIDGE TO THE EAST END OF THE RIDGE AND THE EV4047'STATION ON THE HIGHEST POINT COVERED WITH LARGE BOULDERS. EV4047'(NOTE--A 45 MINUTE PACK.) EV4047' EV4047'THE STATION MARK IS A STANDARD DISK STAMPED GOLD 1928, CEMENTED EV4047'IN A DRILL HOLE IN A BOULDER. EV4047' EV4047'REFERENCE MARK 1 IS A STANDARD DISK STAMPED GOLD NO 1 1928, EV4047'CEMENTED IN A DRILL HOLE IN A BOULDER. IT IS ABOUT 2 FEET LOWER EV4047'IN ELEVATION THAN THE STATION. EV4047' EV4047'REFERENCE MARK 2 IS A STANDARD DISK STAMPED GOLD NO 2 1928, EV4047'CEMENTED IN A DRILL HOLE IN A BOULDER. IT IS ABOUT 2 FEET LOWER EV4047'IN ELEVATION THAN THE STATION. EV4047' EV4047'THE AZIMUTH MARK IS A STANDARD BENCH MARK DISK STAMPED L 1152 EV4047'1961, CEMENTED IN A DRILL HOLE IN A BOULDER THAT IS FLUSH WITH EV4047'THE GROUND SURFACE. IT IS 79 FEET EAST OF THE CENTER OF STATE EV4047'HIGHWAY 18 AND 47.5 FEET EAST OF A METAL WITNESS POST SET IN A EV4047'FENCE LINE. EV4047' EV4047'AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN EV4047'2 MILES NORTH OF BIG BEAR CITY. EV4047 EV4047 STATION RECOVERY (1973) EV4047 EV4047'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1973 (KDB) EV4047'THE STATION MARK, REFERENCE MARKS 1 AND 2 AND THE AZIMUTH MARK EV4047'(L1152) WERE RECOVERED AND FOUND IN GOOD CONDITION. THE DISTANCE EV4047'AND DIRECTION TO THE MARKS CHECKED THE 1965 OBSERVATIONS. THE EV4047'1965 ROUTE TO THE STATION WAS NOT CHECKED AT THIS TIME AND A EV4047'NEW ROUTE TO THE STATION FOLLOWS. EV4047' EV4047'TO REACH THE STATION FROM THE JUNCTION OF CALIFORNIA HIGHWAYS EV4047'38 AND 18 AT THE EAST END OF BIG BEAR LAKE, DRIVE EAST-SOUTHEAST EV4047'ALONG 18 FOR 1.7 MILES TO A SIDE ROAD LEFT AT A LEFT CURVE IN EV4047'THE ROAD. (TO REACH THE AZIMUTH MARK FROM THIS POINT CONTINUE EV4047'NORTH AND EAST ALONG HIGHWAY 18 FOR 2.7 MILES TO THE SUMMIT AND EV4047'WIDE PLACE ON THE RIGHT. THE MARK IS 79 FEET EAST OF THE CENTER EV4047'LINE OF THE HIGHWAY IN A SMALL BOULDER WHICH IS NEARLY FLUSH EV4047'WITH THE GROUND). TURN LEFT AND FOLLOW THE STEEP WINDING ROAD EV4047'UP THE MOUNTAIN FOR 2.5 MILES TO A SADDLE BETWEEN 2 PEAKS. EV4047'TURN LEFT ON A DIM SIDE ROAD AT THIS POINT AND FOLLOW THE EV4047'ROUGH WINDING ROAD FOR ABOUT 1/2 MILE TO THE CREST OF THE EV4047'RIDGE AND A WIDE PLACE IN THE ROAD. PACK EAST FOR ABOUT 5 EV4047'MINUTES TO STATION ON TOP OF AN OUTCROP WHICH IS NOT VISIBLE EV4047'FROM END OF TRUCK TRAVEL. EV4047' EV4047'HEIGHT OF LIGHT ABOVE STATION MARK 5 FEET. EV4047' EV4047'AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN EV4047'3 MILES NORTH OF BIG BEAR CITY. EV4047 EV4047 STATION RECOVERY (1981) EV4047 EV4047'RECOVERY NOTE BY CALTRANS 1981 (RWH) EV4047'THE STATION, REFERENCE MARKS, AND BENCH MARK L 1152 (AZIMUTH MARK) EV4047'WERE RECOVERED IN GOOD CONDITION AND AS DESCRIBED. EV4047' EV4047'THE 1973 TO REACH DESCRIPTION IS ADEQUATE.