National Geodetic Survey, Retrieval Date = APRIL 25, 2000 DB1283 *********************************************************************** DB1283 DESIGNATION - GILA CITY DB1283 PID - DB1283 DB1283 STATE/COUNTY- AZ/YUMA DB1283 USGS QUAD - LAGUNA DAM (1979) DB1283 DB1283 *CURRENT SURVEY CONTROL DB1283 ___________________________________________________________________ DB1283* NAD 83(1992)- 32 47 29.97679(N) 114 23 59.23201(W) ADJUSTED DB1283* NAVD 88 - 331. (meters) 1086. (feet) SCALED DB1283 ___________________________________________________________________ DB1283 LAPLACE CORR- 1.34 (seconds) DEFLEC99 DB1283 GEOID HEIGHT- -33.41 (meters) GEOID99 DB1283 DB1283 HORZ ORDER - FIRST DB1283 DB1283.The horizontal coordinates were established by classical geodetic methods DB1283.and adjusted by the National Geodetic Survey in August 1993. DB1283 DB1283.The orthometric height was scaled from a topographic map. DB1283 DB1283.The Laplace correction was computed from DEFLEC99 derived deflections. DB1283 DB1283.The geoid height was determined by GEOID99. DB1283 DB1283; North East Units Scale Converg. DB1283;SPC CA 6 - 1,872,868.03 7,130,249.13 sFT 0.99999862 +1 01 00.2 DB1283;SPC AZ W - 198,841.970 152,496.545 MT 0.99997899 -0 21 06.9 DB1283;SPC CA 6 - 570,851.317 2,173,304.281 MT 0.99999862 +1 01 00.2 DB1283;UTM 11 - 3,631,184.498 743,505.181 MT 1.00033120 +1 24 32.2 DB1283 DB1283: Primary Azimuth Mark Grid Az DB1283:SPC AZ W - GILA 169 59 22.2 DB1283:SPC CA 6 - GILA 168 37 15.1 DB1283:UTM 11 - GILA 168 13 43.1 DB1283 DB1283|---------------------------------------------------------------------| DB1283| PID Reference Object Distance Geod. Az | DB1283| dddmmss.s | DB1283| GILA CITY RM 1 7.206 METERS 09308 | DB1283| DB1256 TELEGRAPH PASS APPROX.14.3 KM 1555928.5 | DB1283| DB1267 GILA APPROX. 6.1 KM 1693815.3 | DB1283| GILA CITY RM 2 9.540 METERS 20922 | DB1283|---------------------------------------------------------------------| DB1283 DB1283 SUPERSEDED SURVEY CONTROL DB1283 DB1283 NAD 83(1986)- 32 47 29.98136(N) 114 23 59.23865(W) AD( ) 1 DB1283 NAD 27 - 32 47 29.82400(N) 114 23 56.43400(W) AD( ) 1 DB1283 DB1283.Superseded values are not recommended for survey control. DB1283.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. DB1283.See file dsdata.txt to determine how the superseded data were derived. DB1283 DB1283_MARKER: DS = TRIANGULATION STATION DISK DB1283_SETTING: 66 = SET IN ROCK OUTCROP DB1283 DB1283 HISTORY - Date Condition Recov. By DB1283 HISTORY - 1934 MONUMENTED CGS DB1283 HISTORY - 1951 SEE DESCRIPTION USE DB1283 HISTORY - 1952 MARK NOT FOUND USE DB1283 DB1283 STATION DESCRIPTION DB1283 DB1283'DESCRIBED BY COAST AND GEODETIC SURVEY 1934 DB1283'THIS STATION IS LOCATED ON THE HIGHEST POINT OF THE LAGUNA DB1283'MOUNTAINS, ABOUT 3-1/2 MILES NW OF THE TOWN OF DOME AND ABOUT DB1283'14 MILES A LITTLE N OF E FROM YUMA. DB1283' DB1283'STATION AND REFERENCE MARKS ARE STANDARD BRONZE DISKS WEDGED DB1283'IN DRILL HOLES IN OUTCROPPING BEDROCK. DB1283' DB1283'REACHED FROM YUMA--GO E ON U.S. HIGHWAY 80 TO A POINT ABOUT DB1283'5 MILES E OF THE FLY AIR FIELD TO SIGN READING DOME, QUARTZSITE. DB1283'TURN LEFT ON THIS ROAD, FOLLOWING THE ROAD TO DOME FOR 10.8 MILES DB1283'AND TURN LEFT CROSSING THE SUSPENSION BRIDGE. JUST ACROSS DB1283'THE BRIDGE TAKE THE RIGHT FORK. GO 5.7 MILES ON THE GRADED DB1283'ROAD AND TURN LEFT OFF THE MAIN ROAD JUST BEFORE REACHING DB1283'THE FORKS OF A NEW AND AN OLD ROAD. FOLLOW THE OLD TRACKS DB1283'AND LITTLE USED ROAD IN THE WASH AROUND THE N BASE OF THE DB1283'MOUNTAIN AND ON THE SMALL MESA TO THE END OF TRUCK TRAVEL. DB1283'THE PEAK WITH THE STATION CAN BE SEEN FROM THE LAST TURN AND DB1283'IS THE SHARP HIGHEST PEAK IN THE RANGE. FROM THE END OF DB1283'TRUCK TRAVEL FOLLOW THE CANYON UP AS FAR AS POSSIBLE THEN GO DB1283'UP TO THE TOP OF THE RIDGE AND FOLLOW THE RIDGE TO THE DB1283'HIGHEST POINT AND TO THE STATION. A 1-HOUR PACK. DB1283 DB1283 STATION RECOVERY (1951) DB1283 DB1283'RECOVERY NOTE BY US ENGINEERS 1951 DB1283'STATION MARK AND REFERENCE MARK 2 HAVE BEEN DESTROYED. DB1283' DB1283'REFERENCE MARK 1 1934 WAS FOUND IN GOOD CONDITION AND USED DB1283'IN A LOCAL SURVEY. DB1283' DB1283'IT IS ASSUMED THAT GILA SHOULD BE SUBSTITUTED FOR GILA CITY DB1283'IN THIS DIRECTION. DB1283 DB1283 STATION RECOVERY (1952) DB1283 DB1283'RECOVERY NOTE BY US ENGINEERS 1952 DB1283'FOUND POLE ERECTED ON PROBABLE STATION SITE. NO MARKS WERE DB1283'FOUND. DB1283' DB1283'TO REACH FROM YUMA, TRAVEL N ON HIGHWAY 95 TO MILEPOST 45.8 DB1283'(20.0 MILES FROM FOURTH AVENUE IN YUMA), TURN LEFT ON LITTLE-USED DB1283'GRAVEL ROAD AND GO 0.10 MILE TO A VERY SANDY ROAD ALONG THE DB1283'POWER LINES. TURN LEFT AND GO 0.15 MILE TO FAINT TRACKS DB1283'ON THE RIGHT. GO RIGHT 0.3 MILE TOWARD HIGH PEAK AND INTERVENING DB1283'LOW MESA. CONTINUE ONTO MESA TURNING RIGHT ON TRACK ROAD DB1283'PARALLELING LARGE WASH, GO 0.75 MILE ALONG THE N SIDE OF THE DB1283'WASH TO THE END OF TRUCK TRAVEL. CANYON LIES STRAIGHT AHEAD. DB1283'ASCEND CANYON TO RIDGE AND CONTINUE TO SUMMIT. PACK ONE HOUR DB1283'AND 10 MINUTES. TRAVEL FROM HIGHWAY 95 TO CANYON IS DIFFICULT DB1283'FOR TWO-WHEEL DRIVE.