EM0840 ***********************************************************************
EM0840  DESIGNATION -  TT 8 E USGS 1945
EM0840  PID         -  EM0840
EM0840  STATE/COUNTY-  OK/COMANCHE
EM0840  USGS QUAD   -  QUANAH MOUNTAIN (1992)
EM0840
EM0840                         *CURRENT SURVEY CONTROL
EM0840  ___________________________________________________________________
EM0840* NAD 83(1993)-  34 42 31.24926(N)    098 37 41.36019(W)     ADJUSTED
EM0840* NAVD 88     -       452.47   (+/-2cm)    1484.5    (feet)  VERTCON
EM0840  ___________________________________________________________________
EM0840  LAPLACE CORR-          -0.72  (seconds)                    DEFLEC99
EM0840  GEOID HEIGHT-         -25.50  (meters)                     GEOID99
EM0840
EM0840  HORZ ORDER  -  THIRD
EM0840  VERT ORDER  -  THIRD ? (See Below)
EM0840
EM0840.The horizontal coordinates were established by classical geodetic methods
EM0840.and adjusted by the National Geodetic Survey in November 1994.
EM0840
EM0840.The NAVD 88 height was computed by applying the VERTCON shift value to
EM0840.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.)
EM0840.The vertical order pertains to the superseded datum.
EM0840
EM0840.The Laplace correction was computed from DEFLEC99 derived deflections.
EM0840
EM0840.The geoid height was determined by GEOID99.
EM0840
EM0840;                    North         East     Units   Scale      Converg.
EM0840;SPC OK S     -   152,737.533   542,458.256   MT  0.99993829 -0 21 23.6
EM0840;UTM  14      - 3,840,800.515   534,051.319   MT  0.99961429 +0 12 42.2
EM0840
EM0840:                Primary Azimuth Mark                     Grid Az
EM0840:SPC OK S     -  EDGE 1945                                127 03 21.7
EM0840:UTM  14      -  EDGE 1945                                126 29 15.9
EM0840
EM0840|---------------------------------------------------------------------|
EM0840| PID    Reference Object                     Distance      Geod. Az  |
EM0840|                                                           dddmmss.s |
EM0840| EM0809 EDGE 1945                           APPROX. 1.2 KM 1264158.1 |
EM0840|---------------------------------------------------------------------|
EM0840
EM0840                          SUPERSEDED SURVEY CONTROL
EM0840
EM0840  NAD 83(1986)-  34 42 31.25484(N)    098 37 41.34460(W) AD(       ) 3
EM0840  NAD 27      -  34 42 30.99900(N)    098 37 40.12200(W) AD(       ) 3
EM0840  NGVD 29     -       452.32   (m)         1484.0    (f) LEVELING    3
EM0840
EM0840.Superseded values are not recommended for survey control.
EM0840.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
EM0840.See file dsdata.txt to determine how the superseded data were derived.
EM0840
EM0840_MARKER: DB = BENCH MARK DISK
EM0840_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT
EM0840_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO
EM0840+STABILITY: SURFACE MOTION
EM0840
EM0840  HISTORY     - Date     Condition        Recov. By
EM0840  HISTORY     - 1945     MONUMENTED       USGS
EM0840
EM0840                          STATION DESCRIPTION
EM0840
EM0840''DESCRIBED BY US GEOLOGICAL SURVEY 1945
EM0840''NEAR CENTER OF TRIANGLE AT CACHE WYE ABOUT 5.7 MILES N OF
EM0840''CACHE.  MARKED BY A STANDARD USGS BENCH MARK DISC. STAMPED
EM0840''TT8E 1936, 1484 FT., SET IN CONCRETE BLOCK 102 FT. E OF N-S
EM0840''ROAD AT E ROAD PRODUCED.