SV0942 ***********************************************************************
SV0942  DESIGNATION -  A 25
SV0942  PID         -  SV0942
SV0942  STATE/COUNTY-  WA/STEVENS
SV0942  USGS QUAD   -  CLAYTON (1973)
SV0942
SV0942                         *CURRENT SURVEY CONTROL
SV0942  ___________________________________________________________________
SV0942* NAD 83(1986)-  47 59 48.     (N)    117 33 31.     (W)     SCALED
SV0942* NAVD 88     -       686.779  (meters)    2253.21   (feet)  ADJUSTED
SV0942  ___________________________________________________________________
SV0942  GEOID HEIGHT-         -18.03  (meters)                     GEOID99
SV0942  DYNAMIC HT  -         686.831 (meters)    2253.38  (feet)  COMP
SV0942  MODELED GRAV-     980,665.1   (mgal)                       NAVD 88
SV0942
SV0942  VERT ORDER  -  FIRST     CLASS II
SV0942
SV0942.The horizontal coordinates were scaled from a topographic map and have
SV0942.an estimated accuracy of +/- 6 seconds.
SV0942
SV0942.The orthometric height was determined by differential leveling
SV0942.and adjusted by the National Geodetic Survey in June 1991.
SV0942
SV0942.The geoid height was determined by GEOID99.
SV0942
SV0942.The dynamic height is computed by dividing the NAVD 88
SV0942.geopotential number by the normal gravity value computed on the
SV0942.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45
SV0942.degrees latitude (G = 980.6199 gals.).
SV0942
SV0942.The modeled gravity was interpolated from observed gravity values.
SV0942
SV0942;                    North         East    Units  Estimated Accuracy
SV0942;SPC WA N     -   116,010.      744,310.      MT  (+/- 180 meters Scaled)
SV0942
SV0942                          SUPERSEDED SURVEY CONTROL
SV0942
SV0942  NGVD 29     -       685.592  (m)         2249.31   (f) ADJ UNCH    1 2
SV0942
SV0942.Superseded values are not recommended for survey control.
SV0942.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
SV0942.See file dsdata.txt to determine how the superseded data were derived.
SV0942
SV0942_MARKER: DB = BENCH MARK DISK
SV0942_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT
SV0942_STAMPING: A 25 1931
SV0942_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO
SV0942+STABILITY: SURFACE MOTION
SV0942
SV0942  HISTORY     - Date     Condition        Recov. By
SV0942  HISTORY     - 1931     MONUMENTED       CGS
SV0942  HISTORY     - 1973     GOOD             USGS
SV0942
SV0942                          STATION DESCRIPTION
SV0942
SV0942''DESCRIBED BY US GEOLOGICAL SURVEY 1973
SV0942''IN CLAYTON.
SV0942''AT CLAYTON, STEVENS COUNTY, 850 FEET WEST OF A RAILROAD GRADE
SV0942''CROSSING, 84 FEET NORTH AND 171 FEET EAST OF THE CLAYTON P.O., 61 FEET
SV0942''SOUTHWEST OF A RAILROAD TELEPHONE SHACK, 39 FEET SOUTH OF THE TRACK,
SV0942''41 FEET NORTH OF THE CENTER OF THE STREET, AND 4 FEET WEST OF POLE
SV0942''185.  A STANDARD DISK STAMPED A 25 1931 AND SET IN THE TOP OF A
SV0942''CONCRETE POST.