National Geodetic Survey, Retrieval Date = APRIL 25, 2000 ET0940 *********************************************************************** ET0940 DESIGNATION - MOUNT UNION ET0940 PID - ET0940 ET0940 STATE/COUNTY- AZ/YAVAPAI ET0940 USGS QUAD - GROOM CREEK (1986) ET0940 ET0940 *CURRENT SURVEY CONTROL ET0940 ___________________________________________________________________ ET0940* NAD 83(1992)- 34 24 54.24599(N) 112 24 16.19109(W) ADJUSTED ET0940* NAVD 88 - 2433.0 (meters) 7982. (feet) VERTCON ET0940 ___________________________________________________________________ ET0940 LAPLACE CORR- 2.66 (seconds) DEFLEC99 ET0940 GEOID HEIGHT- -26.51 (meters) GEOID99 ET0940 ET0940 HORZ ORDER - SECOND ET0940 ET0940.The horizontal coordinates were established by classical geodetic methods ET0940.and adjusted by the National Geodetic Survey in August 1993. ET0940 ET0940.The NAVD 88 height was computed by applying the VERTCON shift value to ET0940.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) ET0940 ET0940.The Laplace correction was computed from DEFLEC99 derived deflections. ET0940 ET0940.The geoid height was determined by GEOID99. ET0940 ET0940; North East Units Scale Converg. ET0940;SPC AZ C - 378,799.072 168,516.524 MT 0.99992478 -0 16 32.6 ET0940;UTM 12 - 3,809,073.710 370,927.243 MT 0.99980535 -0 47 38.1 ET0940 ET0940: Primary Azimuth Mark Grid Az ET0940:SPC AZ C - DEL PASCO 170 45 15.5 ET0940:UTM 12 - DEL PASCO 171 16 21.0 ET0940 ET0940|---------------------------------------------------------------------| ET0940| PID Reference Object Distance Geod. Az | ET0940| dddmmss.s | ET0940| ET0855 DEL PASCO APPROX.20.4 KM 1702842.9 | ET0940|---------------------------------------------------------------------| ET0940 ET0940 SUPERSEDED SURVEY CONTROL ET0940 ET0940 NAD 83(1986)- 34 24 54.24317(N) 112 24 16.19074(W) AD( ) 2 ET0940 NAD 27 - 34 24 54.15000(N) 112 24 13.60200(W) AD( ) 2 ET0940 NGVD 29 - 2432.0 (m) 7979. (f) VERT ANG ET0940 ET0940.Superseded values are not recommended for survey control. ET0940.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. ET0940.See file dsdata.txt to determine how the superseded data were derived. ET0940 ET0940_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO ET0940+STABILITY: SURFACE MOTION ET0940 ET0940 HISTORY - Date Condition Recov. By ET0940 HISTORY - 1902 MONUMENTED USGS ET0940 HISTORY - 1946 GOOD USGS ET0940 ET0940 STATION DESCRIPTION ET0940 ET0940'DESCRIBED BY US GEOLOGICAL SURVEY 1902 ET0940'MOUNT UNION IS A U.S.G.S. BRONZE DISK AND NOT A CAIRN, AS ET0940'THE CAIRN HAS BEEN REMOVED. IT IS SET IN OUTCROPPING BED ROCK ET0940'PROJECTING 18 INCHES AND STAMPED EL 7971. ET0940' ET0940'TO REACH THE STATION FROM PRESCOTT, GO SOUTHERLY ON THE SENATOR ET0940'HIGHWAY FOR 12 MILES TO A FORK AT A CATTLE GUARD AND SIGN MT ET0940'UNION FIRE TOWER 2 MILES. TAKE LEFT FORK TO THE TOP OF MT. ET0940'UNION AND THE STATION. ET0940 ET0940 STATION RECOVERY (1946) ET0940 ET0940'RECOVERY NOTE BY US GEOLOGICAL SURVEY 1946 ET0940'RECOVERED IN GOOD CONDITION.