National Geodetic Survey, Retrieval Date = APRIL 26, 2000 DB1306 *********************************************************************** DB1306 DESIGNATION - TINAJAS ALTAS DB1306 PID - DB1306 DB1306 STATE/COUNTY- AZ/YUMA DB1306 USGS QUAD - TINAJAS ALTAS DB1306 DB1306 *CURRENT SURVEY CONTROL DB1306 ___________________________________________________________________ DB1306* NAD 83(1992)- 32 16 24.51386(N) 114 02 48.08555(W) ADJUSTED DB1306* NAVD 88 - 843.2 (meters) 2766. (feet) VERTCON DB1306 ___________________________________________________________________ DB1306 EPOCH DATE - 1991.35 DB1306 LAPLACE CORR- 3.02 (seconds) DEFLEC99 DB1306 GEOID HEIGHT- -33.53 (meters) GEOID99 DB1306 DB1306 HORZ ORDER - SECOND DB1306 DB1306.The horizontal coordinates were established by classical geodetic methods DB1306.and adjusted by the National Geodetic Survey in June 1996. DB1306.The horizontal coordinates are valid at the epoch date displayed above. DB1306.The epoch date for horizontal control is a decimal equivalence DB1306.of Year/Month/Day. DB1306 DB1306.The NAVD 88 height was computed by applying the VERTCON shift value to DB1306.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) DB1306 DB1306.The Laplace correction was computed from DEFLEC99 derived deflections. DB1306 DB1306.The geoid height was determined by GEOID99. DB1306 DB1306; North East Units Scale Converg. DB1306;SPC AZ W - 141,232.882 185,410.130 MT 0.99994296 -0 09 30.3 DB1306;UTM 11 - 3,574,579.337 778,178.049 MT 1.00055439 +1 34 40.7 DB1306;UTM 12 - 3,574,825.575 213,022.690 MT 1.00061574 -1 37 40.5 DB1306 DB1306: Primary Azimuth Mark Grid Az DB1306:SPC AZ W - BOUNDARY MON 189 RM 119 47 39.7 DB1306:UTM 11 - BOUNDARY MON 189 RM 118 03 28.7 DB1306:UTM 12 - BOUNDARY MON 189 RM 121 15 49.9 DB1306 DB1306|---------------------------------------------------------------------| DB1306| PID Reference Object Distance Geod. Az | DB1306| dddmmss.s | DB1306| DA1418 BOUNDARY MON 189 RM APPROX. 7.6 KM 1193809.4 | DB1306| TINAJAS ALTAS RM 3.910 METERS 26627 | DB1306|---------------------------------------------------------------------| DB1306 DB1306 SUPERSEDED SURVEY CONTROL DB1306 DB1306 NAD 83(1992)- 32 16 24.50386(N) 114 02 48.08247(W) AD( ) 2 DB1306 NAD 83(1986)- 32 16 24.50647(N) 114 02 48.09578(W) AD( ) 2 DB1306 NAD 27 - 32 16 24.29800(N) 114 02 45.33600(W) AD( ) 2 DB1306 NGVD 29 - 842.5 (m) 2764. (f) VERT ANG DB1306 DB1306.Superseded values are not recommended for survey control. DB1306.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. DB1306.See file dsdata.txt to determine how the superseded data were derived. DB1306 DB1306_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY DB1306 DB1306 HISTORY - Date Condition Recov. By DB1306 HISTORY - 1920 MONUMENTED CGS DB1306 HISTORY - 1957 POOR AMS DB1306 HISTORY - 1962 GOOD USGS DB1306 HISTORY - 1964 GOOD USGS DB1306 DB1306 STATION DESCRIPTION DB1306 DB1306'DESCRIBED BY COAST AND GEODETIC SURVEY 1920 (CLG) DB1306'STATION IS ABOUT 3 MILES AIR LINE TO THE SOUTHWARD OF TINAJAS DB1306'ALTAS TANKS, AND ABOUT 3/4 MILE TO NORTHWARD OF BOUNDARY MONUMENT DB1306'191, ON THE HIGHEST PEAK BETWEEN TINAJAS ALTAS TANKS AND THE DB1306'BOUNDARY LINE. DB1306' DB1306'STATION AND REFERENCE MARKS ARE STANDARD BRONZE DISKS SET IN DB1306'CONCRETE IN A DEPRESSION IN OUTCROPPING BEDROCK. DB1306' DB1306'THE STATION IS BEST REACHED FROM TINAJAS ALTAS BY FOLLOWING DB1306'THE TULE WELL ROAD ABOUT 3/4 MILE TO A ROAD LEADING S ALONG THE DB1306'E BASE OF THE MOUNTAIN, ABOUT 3 MILES FROM THE TANKS HEAD IN DB1306'TOWARD A RATHER BROAD CANYON, THEN HIKE UP THIS CANYON TO THE DB1306'WESTWARD ABOUT 3/4 MILE TO THE STATION. DB1306' DB1306'THERE IS USUALLY PLENTY OF WATER IN THE CANYONS NOT FAR FROM DB1306'THE STATION. DB1306 DB1306 STATION RECOVERY (1957) DB1306 DB1306'RECOVERY NOTE BY US ARMY MAP SERVICE (NOW DMA) 1957 DB1306'STATION IS LOOSE AND NOT STAMPED. THE DISK IS SET IN A BOULDER. DB1306' DB1306'ONE REFERENCE MARK LOCATED, NO STAMPING. DB1306' DB1306'THE STATION IS ON THE HIGHEST POINT OF A SHARP MOUNTAIN, 10.0 DB1306'FEET S OF N TIP OF DROP TO THE N. 6.0 FEET W OF SHARP DROP DB1306'TO E. 10.0 FEET E OF SHARP DROP TO WSW. 11.0 FEET N OF SHARP DB1306'DROP TO THE S. DB1306 DB1306 STATION RECOVERY (1962) DB1306 DB1306'RECOVERY NOTE BY US GEOLOGICAL SURVEY 1962 DB1306'RECOVERED AS DESCRIBED BY NGS. REACHED BY HELICOPTER. FIELD DB1306'WORK DONE BY AMS. DB1306 DB1306 STATION RECOVERY (1964) DB1306 DB1306'RECOVERY NOTE BY US GEOLOGICAL SURVEY 1964 DB1306'RECOVERED AS DESCRIBED.