National Geodetic Survey, Retrieval Date = MARCH 25, 2000 DW1368 *********************************************************************** DW1368 DESIGNATION - ARROYO DW1368 PID - DW1368 DW1368 STATE/COUNTY- CA/IMPERIAL DW1368 USGS QUAD - LITTLE MULE MTS (1988) DW1368 DW1368 *CURRENT SURVEY CONTROL DW1368 ___________________________________________________________________ DW1368* NAD 83(1992)- 33 18 36.14905(N) 115 06 23.15164(W) ADJUSTED DW1368* NAVD 88 - 447.4 (meters) 1468. (feet) VERTCON DW1368 ___________________________________________________________________ DW1368 EPOCH DATE - 1991.35 DW1368 LAPLACE CORR- -0.09 (seconds) DEFLEC99 DW1368 GEOID HEIGHT- -33.20 (meters) GEOID99 DW1368 DW1368 HORZ ORDER - FIRST DW1368 DW1368.The horizontal coordinates were established by classical geodetic methods DW1368.and adjusted by the National Geodetic Survey in June 1996. DW1368.The horizontal coordinates are valid at the epoch date displayed above. DW1368.The epoch date for horizontal control is a decimal equivalence DW1368.of Year/Month/Day. DW1368 DW1368.The NAVD 88 height was computed by applying the VERTCON shift value to DW1368.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) DW1368 DW1368.The Laplace correction was computed from DEFLEC99 derived deflections. DW1368 DW1368.The geoid height was determined by GEOID99. DW1368 DW1368; North East Units Scale Converg. DW1368;SPC CA 6 - 2,058,352.53 6,911,035.53 sFT 0.99995423 +0 37 42.3 DW1368;SPC CA 6 - 627,387.105 2,106,487.843 MT 0.99995423 +0 37 42.3 DW1368;UTM 11 - 3,687,259.077 676,280.897 MT 0.99998314 +1 02 24.6 DW1368 DW1368: Primary Azimuth Mark Grid Az DW1368:SPC CA 6 - ARROYO AZ MK 301 56 24.9 DW1368:UTM 11 - ARROYO AZ MK 301 31 42.6 DW1368 DW1368|---------------------------------------------------------------------| DW1368| PID Reference Object Distance Geod. Az | DW1368| dddmmss.s | DW1368| ARROYO RM 1 12.938 METERS 06235 | DW1368| ARROYO AZ MK 3023407.2 | DW1368| ARROYO RM 2 4.358 METERS 33633 | DW1368|---------------------------------------------------------------------| DW1368 DW1368 SUPERSEDED SURVEY CONTROL DW1368 DW1368 NAD 83(1992)- 33 18 36.15284(N) 115 06 23.15189(W) AD(1984.00) 1 DW1368 NAD 83(1986)- 33 18 36.15561(N) 115 06 23.16141(W) AD(1984.00) 1 DW1368 NAD 27 - 33 18 36.04700(N) 115 06 20.26100(W) AD( ) 1 DW1368 NGVD 29 - 446.6 (m) 1465. (f) VERT ANG DW1368 DW1368.Superseded values are not recommended for survey control. DW1368.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. DW1368.See file dsdata.txt to determine how the superseded data were derived. DW1368 DW1368 HISTORY - Date Condition Recov. By DW1368 HISTORY - 1949 MONUMENTED CGS DW1368 HISTORY - 1955 MONUMENTED CGS DW1368 DW1368 STATION DESCRIPTION DW1368 DW1368'DESCRIBED BY COAST AND GEODETIC SURVEY 1949 (DHK) DW1368'STATION LOCATED ON HIGHEST POINT OF A LOW, ROCKY HILL AT DW1368'SOUTHERN END OF A LOW, NORTH-SOUTH RANGE OF HILLS. ABOUT DW1368'36 MILES AIR LINE SOUTHWEST OF BLYTHE. 15-1/2 MILES AIR DW1368'LINE WEST-NORTHWEST OF MIDWAY WELL. 8.6 MILES AIR LINE DW1368'SOUTH OF THE RIVERSIDE-IMPERIAL COUNTY LINE. PROJECTS 2 DW1368'INCHES, AND STAMPED, ARROYO 1949. DW1368' DW1368'REFERENCE MARK NO. 1 IS ABOUT 2 FEET LOWER THAN STATION, DW1368'SET FLUSH, AND STAMPED, ARROYO NO 1 1949. DW1368' DW1368'REFERENCE MARK NO. 2 IS ABOUT 6 FEET LOWER THAN STATION, DW1368'SET FLUSH, AND STAMPED, ARROYO NO 2 1949. DW1368' DW1368'AZIMUTH MARK IS LOCATED AT THE NORTH BASE OF MOST WESTERLY DW1368'HILL IN THE RANGE OF HILLS THAT STATION IS ON, 3 FEET EAST DW1368'OF A WHITE WITNESS POST, PROJECTS 12 INCHES, AND STAMPED, DW1368'ARROYO 1949. DW1368' DW1368'TO REACH FROM POST OFFICE IN BLYTHE, GO WEST ON U.S. HIGHWAY DW1368'60 AND 70 FOR 13.7 MILES TO THE SKY-WAY CAFE AND SERVICE DW1368'STATION ON LEFT. CONTINUE WEST ON HIGHWAY FOR 3.8 MILES TO DW1368'DIRT ROAD LEFT. TURN LEFT, SOUTH, AND FOLLOW MAIN ROAD DW1368'FOR 8.95 MILES TO FORK AND SIGN WILEY WELL, NILAND. TAKE DW1368'RIGHT FORK AND FOLLOW MAIN ROAD FOR 11.8 MILES TO SIGN IMPERIAL DW1368'COUNTY. CONTINUE ON ROAD FOR 1.85 MILE TO TRACK ROAD LEFT. DW1368'TURN LEFT, SOUTH, AND FOLLOW TRACK ROAD FOR 3.35 MILES TO DW1368'A GENERAL LAND OFFICE MARK ON LEFT. CONTINUE SOUTH ON DW1368'TRACK ROAD FOR 3.75 MILES TO POINT JUST AFTER CROSSING LARGE DW1368'WASH. TURN LEFT AND DRIVE ACROSS COUNTRY IN EASTERLY DW1368'DIRECTION FOR 0.7 MILE UNTIL JUST NORTH OF FIRST HILL AND DW1368'AZIMUTH MARK ON RIGHT AS DESCRIBED ABOVE. CONTINUE EAST DW1368'FOR 0.3 MILE TO BASE OF HILL AND END OF TRUCK TRAVEL. DW1368'PACK SOUTHEASTERLY UP SLOPE TO HIGHEST POINT AND STATION DW1368'AS DESCRIBED ABOVE. A 20 MINUTE PACK. DW1368 DW1368 STATION RECOVERY (1955) DW1368 DW1368'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1955 (LSB) DW1368'THE STATION, REFERENCE MARKS 1, 2, AND THE AZIMUTH MARK WERE DW1368'RECOVERED AS DESCRIBED IN 1949 AND IN GOOD CONDITION. THE DW1368'DESCRIPTION OF THE ROUTE TO THE STATION IS ADEQUATE. AN DW1368'ALTERNATE DESCRIPTION OF THE ROUTE TO THE STATION FOLLOWS-- DW1368' DW1368'TO REACH FROM THE POST OFFICE IN NILAND GO NORTH ON MAIN DW1368'STREET ABOUT 40 YARDS TO THE STREET INTERSECTION. TURN DW1368'RIGHT, EAST-NORTHEAST, AND GO 3.6 MILES TO A T-ROAD INTERSECTION DW1368'AND THE END OF THE BLACK-TOP ROAD. TURN LEFT, WEST AND DW1368'NORTH, AND GO 0.35 MILE, CROSSING TO THE LEFT OF THE NORTH-WEST DW1368'WING OF SIPHON 8. TURN RIGHT, EAST, AND GO 0.2 MILE. TURN DW1368'LEFT, NORTHEAST, ON THE MAIN TRAVELED ROAD AND GO 10.1 MILES DW1368'TO BEALS WELL ON THE RIGHT, EAST, SIDE OF THE ROAD. CONTINUE, DW1368'EAST-NORTHEAST, ON THE MAIN TRAVELED ROAD FOR 12 MILES TO A DW1368'DIAGONAL T-ROAD. TURN RIGHT, EAST, ON THE MAIN TRAVELED DW1368'ROAD AND GO 5.2 MILES TO A TRACK ROAD ON THE RIGHT. TURN DW1368'RIGHT, SOUTH, ON THE TRACK ROAD AND GO 7 MILES TO A DIM DW1368'TRACK ROAD ON THE LEFT, SHORTLY AFTER CROSSING A LARGE DW1368'WASH. TURN LEFT, SOUTHEAST, ON THE DIM TRACK ROAD AND GO DW1368'0.8 MILE TO A POINT JUST NORTH OF THE FIRST HILL AND THE DW1368'AZIMUTH MARK ON THE RIGHT. CONTINUE EAST FOR 0.3 MILE DW1368'TO THE BASE OF THE STATION HILL AND THE END OF TRUCK DW1368'TRAVEL. PACK EAST THEN SOUTH-SOUTHWEST UP THE RIDGE TO DW1368'THE HIGHEST POINT OF THE HILL AND THE STATION. A DW1368'20-MINUTE PACK. DW1368' DW1368'NOTE--A 4-WHEEL DRIVE VEHICLE IS REQUIRED FOR THE LAST 8.1 DW1368'MILES.