National Geodetic Survey, Retrieval Date = OCTOBER 28, 2000 DX4947 *********************************************************************** DX4947 DESIGNATION - COYOTE DX4947 PID - DX4947 DX4947 STATE/COUNTY- CA/SAN DIEGO DX4947 USGS QUAD - CLARK LAKE (1974) DX4947 DX4947 *CURRENT SURVEY CONTROL DX4947 ___________________________________________________________________ DX4947* NAD 83(1992)- 33 20 36.38488(N) 116 19 43.51257(W) ADJUSTED DX4947* NAVD 88 - 973.5 (meters) 3194. (feet) VERTCON DX4947 ___________________________________________________________________ DX4947 EPOCH DATE - 1991.35 DX4947 LAPLACE CORR- -4.67 (seconds) DEFLEC99 DX4947 GEOID HEIGHT- -32.58 (meters) GEOID99 DX4947 DX4947 HORZ ORDER - FIRST DX4947 DX4947.The horizontal coordinates were established by classical geodetic methods DX4947.and adjusted by the National Geodetic Survey in June 1996. DX4947.The horizontal coordinates are valid at the epoch date displayed above. DX4947.The epoch date for horizontal control is a decimal equivalence DX4947.of Year/Month/Day. DX4947 DX4947.The NAVD 88 height was computed by applying the VERTCON shift value to DX4947.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) DX4947 DX4947.The Laplace correction was computed from DEFLEC99 derived deflections. DX4947 DX4947.The geoid height was determined by GEOID99. DX4947 DX4947; North East Units Scale Converg. DX4947;SPC CA 6 - 2,068,598.23 6,537,615.59 sFT 0.99995416 -0 02 35.8 DX4947;SPC CA 6 - 630,510.002 1,992,669.216 MT 0.99995416 -0 02 35.8 DX4947;UTM 11 - 3,689,562.928 562,461.558 MT 0.99964810 +0 22 08.3 DX4947 DX4947: Primary Azimuth Mark Grid Az DX4947:SPC CA 6 - COYOTE AZ MK 221 29 34.3 DX4947:UTM 11 - COYOTE AZ MK 221 04 50.2 DX4947 DX4947|---------------------------------------------------------------------| DX4947| PID Reference Object Distance Geod. Az | DX4947| dddmmss.s | DX4947| COYOTE RM 1 11.861 METERS 10735 | DX4947| COYOTE AZ MK 2212658.5 | DX4947| COYOTE RM 2 4.348 METERS 28357 | DX4947|---------------------------------------------------------------------| DX4947 DX4947 SUPERSEDED SURVEY CONTROL DX4947 DX4947 NAD 83(1986)- 33 20 36.38725(N) 116 19 43.51202(W) AD(1984.00) 1 DX4947 NAD 27 - 33 20 36.25324(N) 116 19 40.47221(W) AD( ) 1 DX4947 NGVD 29 - 972.8 (m) 3192. (f) VERT ANG DX4947 DX4947.Superseded values are not recommended for survey control. DX4947.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. DX4947.See file dsdata.txt to determine how the superseded data were derived. DX4947 DX4947 HISTORY - Date Condition Recov. By DX4947 HISTORY - 1939 MONUMENTED CGS DX4947 HISTORY - 1955 MONUMENTED CGS DX4947 DX4947 STATION DESCRIPTION DX4947 DX4947'DESCRIBED BY COAST AND GEODETIC SURVEY 1939 (FGJ) DX4947'LOCATED ON A BARE DESERT HILL, KNOWN AS COYOTE HILL, WHICH DX4947'RISES ABRUPTLY FROM THE NORTHEAST END OF BORREGO VALLEY AND DX4947'IS ABOUT 3.0 MILES WEST OF CLARK DRY LAKE. DX4947' DX4947'TO REACH FROM THE JUNCTION OF THE BORREGO ROAD AND U.S. DX4947'HIGHWAY 78, WHICH IS 18.5 MILES EAST OF JULIAN AND 10.1 DX4947'MILES WEST OF NEW TOWN OF OCOTILLO, GO SOUTH ON DIRT ROAD DX4947'AT SIGN (BORREGO VALLEY 10, PALM CANYON 15) AND FOLLOW MAIN DX4947'GRADED ROAD NORTHERLY FOR 7.5 MILES TO BORREGO POST OFFICE. DX4947'TURN LEFT, WEST, 1.0 MILE TO CROSSROADS. TURN RIGHT, NORTH, DX4947'5.1 MILES TO FORK. TAKE RIGHT FORK 0.4 MILE. TAKE RIGHT DX4947'FORK AGAIN 0.1 MILE, PASSING TO THE RIGHT OF HOUSE AND WATER DX4947'TANK AND FOLLOW THE MAIN ROAD DUE EAST 2.8 MILES TO JUNCTION DX4947'OF BORREGO ROAD AND HOBO YAK ROAD. CONTINUE EAST 0.8 MILE DX4947'TO A FORK. TAKE LEFT FORK AND KEEP ALL LEFT FORKS ON ROAD DX4947'NORTH, BETWEEN DRY LAKE BED AND MOUNTAINS, 1.8 MILES TO DX4947'THE MOUTH OF THE PRINCIPAL WASH WHICH DIVIDES THE RIDGE ON DX4947'THE LEFT. END OF TRUCK TRAVEL. PACK WEST AND NORTHWEST DX4947'UP THE RIDGE ON THE NORTH SIDE OF THE WASH TO THE DX4947'HIGHEST POINT AND STATION. ABOUT 2-1/2 HOUR PACK WITH DX4947'LOAD. DX4947' DX4947'SURFACE, REFERENCE AND AZIMUTH MARKS ARE STANDARD BRONZE DX4947'DISKS IN A BOULDER AND IN OUTCROPPING BEDROCK, NOTES 4, 12C DX4947'AND 12A. DX4947' DX4947'STATION AND REFERENCE MARKS ARE ON BARE HILLTOP AND EASILY DX4947'LOCATED. DX4947' DX4947'AZIMUTH MARK IS ABOUT 0.2 MILE SOUTHWEST BY A ROCK CAIRN DX4947'IN A BROKEN-UP ROCK FORMATION. DX4947 DX4947 STATION RECOVERY (1955) DX4947 DX4947'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1955 (LSB) DX4947'THE STATION MARK, REFERENCE MARKS 1 AND 2, AND AZIMUTH MARK DX4947'WERE RECOVERED AS DESCRIBED AND IN GOOD CONDITION. THE DX4947'ROUTE TO THE STATION WAS CHANGED DUE TO NEW ROADS. A COMPLETE DX4947'DESCRIPTION FOLLOWS WITH ANY ADDITIONS OR CHANGES NOTED-- DX4947' DX4947'THE STATION IS ON A BARE DESERT HILL KNOWN AS COYOTE HILL DX4947'WHICH RISES ABRUPTLY FROM THE NE END OF BORREGO VALLEY, 3 DX4947'MI. W OF CLARK DRY LAKE, AND 7 MI. NE OF BORREGO. DX4947' DX4947'THE STATION MARK IS A STANDARD DISK, STAMPED COYOTE 1939. DX4947'IT IS SET IN A DRILL HOLE IN A BOULDER PROJECTING 4 IN., AND DX4947'IS ON THE HIGHEST PART OF THE HILL. DX4947' DX4947'REFERENCE MARK 1 IS A STANDARD DISK, STAMPED COYOTE NO 1 DX4947'1939. IT IS SET IN A DRILL HOLE IN A BOULDER FLUSH WITH DX4947'THE GROUND, AND 3 FT. LOWER THAN THE STATION MARK. DX4947' DX4947'REFERENCE MARK 2 IS A STANDARD DISK, STAMPED COYOTE NO 2 DX4947'1939. IT IS SET IN A DRILL HOLE IN A BOULDER AND PROJECTS DX4947'6 IN. DX4947' DX4947'THE AZIMUTH MARK IS A STANDARD DISK, STAMPED COYOTE 1939. DX4947'IT IS SET IN A DRILL HOLE IN A BOULDER, AND 3 FT. E OF A DX4947'CAIRN. DX4947' DX4947'TO REACH FROM CHRISTMAS CIRCLE IN BORREGO, GO E ON PALM DX4947'CANYON DRIVE FOR 1.7 MI. TO THE BORREGO SCHOOL AT A ROAD DX4947'CROSSING, CONTINUE E ON THE PAVED ROAD FOR 2.8 MI. TO WHERE DX4947'THE ROAD TURNS N, TURN LEFT FOR 2.4 MI. TO THE END OF THE DX4947'PAVED ROAD. HERE LEAVE THE MAIN ROAD AND GO NE ON A LEVEE DX4947'AND TRACK ROAD FOR 0.2 MI., LEAVE THE LEVEE AND FOLLOW THE DX4947'JEEP ROAD NW TO THE BASE OF THE RIDGE, THEN UP THE RIDGE DX4947'AND TURN LEFT (NW) ALONG THE RIDGE FOR 3.0 MI. TO THE END DX4947'OF TRUCK TRAVEL. A FOUR-WHEEL DRIVE IS REQUIRED FOR THE DX4947'LAST 3 MI. FROM THE END OF TRUCK TRAVEL PACK NW AND N ON DX4947'THE W SLOPE OF THE RIDGE TO A SADDLE. FROM THE SADDLE PACK DX4947'N OVER A SMALL HILL, THEN DROP INTO THE MAIN WASH AND UP DX4947'THE WASH TO THE TOP AND THE STATION ON THE RIGHT. IT IS A DX4947'2-1/2-HOUR PACK. DX4947' DX4947'OBSERVATIONS TAKEN FROM A 4 FT. STAND.