National Geodetic Survey,   Retrieval Date = MAY 17, 2019
 ET0941 ***********************************************************************
 ET0941  DESIGNATION -  SPRUCE MOUNTAIN
 ET0941  PID         -  ET0941
 ET0941  STATE/COUNTY-  AZ/YAVAPAI
 ET0941  COUNTRY     -  US
 ET0941  USGS QUAD   -  GROOM CREEK (1974)
 ET0941
 ET0941                         *CURRENT SURVEY CONTROL
 ET0941  ______________________________________________________________________
 ET0941* NAD 83(1992) POSITION- 34 27 47.21313(N) 112 24 13.56627(W)   ADJUSTED  
 ET0941* NAVD 88 ORTHO HEIGHT -  2409.    (meters)     7904.    (feet) SCALED    
 ET0941  ______________________________________________________________________
 ET0941  GEOID HEIGHT    -        -26.353 (meters)                     GEOID12B
 ET0941  LAPLACE CORR    -          2.15  (seconds)                    DEFLEC12B
 ET0941  HORZ ORDER      -  THIRD
 ET0941
 ET0941.The horizontal coordinates were established by classical geodetic methods
 ET0941.and adjusted by the National Geodetic Survey in August 1993.
 ET0941.
 ET0941.The orthometric height was scaled from a topographic map.
 ET0941
 ET0941.Significant digits in the geoid height do not necessarily reflect accuracy.
 ET0941.GEOID12B height accuracy estimate available here.
 ET0941
 ET0941.The Laplace correction was computed from DEFLEC12B derived deflections.
 ET0941
 ET0941. The following values were computed from the NAD 83(1992) position.
 ET0941
 ET0941;                    North         East     Units Scale Factor Converg.
 ET0941;SPC AZ C     -   384,128.093   168,609.171   MT  0.99992468   -0 16 32.3
 ET0941;SPC AZ C     - 1,260,262.77    553,179.69   iFT  0.99992468   -0 16 32.3
 ET0941;UTM  12      - 3,814,401.037   371,068.095   MT  0.99980490   -0 47 40.1
 ET0941
 ET0941!             -  Elev Factor  x  Scale Factor =   Combined Factor
 ET0941!SPC AZ C     -   0.99962612  x   0.99992468  =   0.99955083
 ET0941!UTM  12      -   0.99962612  x   0.99980490  =   0.99943109
 ET0941
 ET0941_U.S. NATIONAL GRID SPATIAL ADDRESS: 12SUD7106814401(NAD 83)
 ET0941
 ET0941                          SUPERSEDED SURVEY CONTROL
 ET0941
 ET0941  NAD 83(1986)-  34 27 47.20786(N)    112 24 13.56579(W) AD(       ) 3
 ET0941  NAD 27      -  34 27 47.13661(N)    112 24 10.97545(W) AD(       ) 3
 ET0941
 ET0941.Superseded values are not recommended for survey control.
 ET0941
 ET0941.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
 ET0941.See file dsdata.pdf to determine how the superseded data were derived.
 ET0941
 ET0941_MARKER: DD = SURVEY DISK
 ET0941_SETTING: 0 = UNSPECIFIED SETTING
 ET0941_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY
 ET0941_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR
 ET0941+SATELLITE: SATELLITE OBSERVATIONS - May 28, 2007
 ET0941
 ET0941  HISTORY     - Date     Condition        Report By
 ET0941  HISTORY     - 1935     MONUMENTED       USFS
 ET0941  HISTORY     - 1958     GOOD             CGS
 ET0941  HISTORY     - 1960     GOOD             CGS
 ET0941  HISTORY     - 20070528 GOOD             GEOCAC
 ET0941
 ET0941                          STATION DESCRIPTION
 ET0941
 ET0941'DESCRIBED BY US FOREST SERVICE 1935
 ET0941'STATION IS CENTER OF LOOKOUT TOWER ON HIGH, TIMBERED PEAK,
 ET0941'ON SAME RIDGE BUT 4 MILES N OF MOUNTAIN UNION LOOKOUT TOWER.
 ET0941'APPROXIMATELY 6 MILES (AIR LINE) SOUTHEASTERLY FROM PRESCOTT.
 ET0941'
 ET0941'STATION MARK IS A STANDARD U.S.F.S. TABLET, IN LEDGE ROCK,
 ET0941'STAMPED SPRUCE MOUNTAIN 1935.
 ET0941'
 ET0941'TO REACH STATION FROM PRESCOTT, TAKE THE SENATOR HIGHWAY
 ET0941'SOUTHERLY, APPROXIMATELY 6 MILES TO JUNCTION WITH ROAD TO
 ET0941'NATIONAL GOLD MINE.  THENCE TAKE THE LATTER ROAD APPROXIMATELY
 ET0941'6 MILES TO SPRUCE MOUNTAIN LOOKOUT.
 ET0941'
 ET0941'SIGNAL--CENTER OF U.S.F.S. LOOKOUT TOWER.
 ET0941
 ET0941                          STATION RECOVERY (1958)
 ET0941
 ET0941'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1958 (WTJ)
 ET0941'STATION RECOVERED AS DESCRIBED IN GOOD CONDITION.  THE ORIGINAL
 ET0941'DESCRIPTION IS ADEQUATE.
 ET0941
 ET0941                          STATION RECOVERY (1960)
 ET0941
 ET0941'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1960 (WTJ)
 ET0941'RECOVERED AS DESCRIBED IN GOOD CONDITION.
 ET0941
 ET0941                          STATION RECOVERY (2007)
 ET0941
 ET0941'RECOVERY NOTE BY GEOCACHING 2007 (RFC)
 ET0941'RECOVERED IN GOOD CONDITION.