LN0039 ***********************************************************************
LN0039  CBN         -  This is a Cooperative Base Network Control Station.
LN0039  DESIGNATION -  Q 46
LN0039  PID         -  LN0039
LN0039  STATE/COUNTY-  CO/MOFFAT
LN0039  USGS QUAD   -  ELK SPRINGS (1986)
LN0039
LN0039                         *CURRENT SURVEY CONTROL
LN0039  ___________________________________________________________________
LN0039* NAD 83(1992)-  40 20 22.33900(N)    108 28 03.86232(W)     ADJUSTED
LN0039* NAVD 88     -      1853.217  (meters)    6080.10   (feet)  ADJUSTED
LN0039  ___________________________________________________________________
LN0039  X           -  -1,542,605.985 (meters)                     COMP
LN0039  Y           -  -4,619,004.662 (meters)                     COMP
LN0039  Z           -   4,107,983.864 (meters)                     COMP
LN0039  LAPLACE CORR-          -0.72  (seconds)                    DEFLEC99
LN0039  ELLIP HEIGHT-        1837.01  (meters)                     GPS OBS
LN0039  GEOID HEIGHT-         -16.23  (meters)                     GEOID99
LN0039  DYNAMIC HT  -        1851.455 (meters)    6074.32  (feet)  COMP
LN0039  MODELED GRAV-     979,609.0   (mgal)                       NAVD 88
LN0039
LN0039  HORZ ORDER  -  B
LN0039  VERT ORDER  -  FIRST     CLASS II
LN0039  ELLP ORDER  -  FOURTH    CLASS I
LN0039
LN0039.The horizontal coordinates were established by GPS observations
LN0039.and adjusted by the National Geodetic Survey in May 1992.
LN0039
LN0039.The orthometric height was determined by differential leveling
LN0039.and adjusted by the National Geodetic Survey in June 1991.
LN0039
LN0039.The X, Y, and Z were computed from the position and the ellipsoidal ht.
LN0039
LN0039.The Laplace correction was computed from DEFLEC99 derived deflections.
LN0039
LN0039.The ellipsoidal height was determined by GPS observations
LN0039.and is referenced to NAD 83.
LN0039
LN0039.The geoid height was determined by GEOID99.
LN0039
LN0039.The dynamic height is computed by dividing the NAVD 88
LN0039.geopotential number by the normal gravity value computed on the
LN0039.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45
LN0039.degrees latitude (G = 980.6199 gals.).
LN0039
LN0039.The modeled gravity was interpolated from observed gravity values.
LN0039
LN0039;                    North         East     Units   Scale      Converg.
LN0039;SPC CO N     - 1,380,376.96  2,172,871.08   sFT  0.99995804 -1 55 03.2
LN0039;SPC CO N     -   420,739.740   662,292.431   MT  0.99995804 -1 55 03.2
LN0039;UTM  12      - 4,468,521.634   715,090.069   MT  1.00016953 +1 38 23.3
LN0039
LN0039                          SUPERSEDED SURVEY CONTROL
LN0039
LN0039  NAD 83(1992)-  40 20 22.32492(N)    108 28 03.84925(W) AD(       ) 3
LN0039  NGVD 29     -      1851.931  (m)         6075.88   (f) ADJ UNCH    1 2
LN0039
LN0039.Superseded values are not recommended for survey control.
LN0039.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
LN0039.See file dsdata.txt to determine how the superseded data were derived.
LN0039
LN0039_MARKER: DB = BENCH MARK DISK
LN0039_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT
LN0039_STAMPING: Q 46 1934
LN0039_MAGNETIC: O = OTHER; SEE DESCRIPTION
LN0039_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO
LN0039+STABILITY: SURFACE MOTION
LN0039_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR
LN0039+SATELLITE: SATELLITE OBSERVATIONS - June 20, 1996
LN0039
LN0039  HISTORY     - Date     Condition        Recov. By
LN0039  HISTORY     - 1934     MONUMENTED       CGS
LN0039  HISTORY     - 1962     GOOD             NGS
LN0039  HISTORY     - 1968     GOOD             NGS
LN0039  HISTORY     - 1982     GOOD             USGS
LN0039  HISTORY     - 19910720 GOOD             NGS
LN0039  HISTORY     - 19960620 GOOD             CODH
LN0039
LN0039                          STATION DESCRIPTION
LN0039
LN0039''DESCRIBED BY NATIONAL GEODETIC SURVEY 1962
LN0039''1.7 MI SW FROM ELK SPRINGS.
LN0039''1.7 MILES SOUTHWEST ALONG U.S. HIGHWAY 40 FROM THE POST OFFICE AT ELK
LN0039''SPRINGS, 199 FEET SOUTH-SOUTHEAST OF THE CENTER LINE OF THE HIGHWAY,
LN0039''144.4 FEET SOUTH-SOUTHEAST OF A FENCE, 41 FEET NORTH-NORTHWEST OF THE
LN0039''CENTER LINE OF AN ABANDONED ROAD, 1.1 FEET NORTH-NORTHWEST OF A
LN0039''WITNESS POST, ABOUT 12 FEET LOWER THAN THE HIGHWAY, AND SET IN THE TOP
LN0039''OF A CONCRETE POST PROJECTING 0.4 FOOT ABOVE THE GROUND.
LN0039
LN0039                          STATION RECOVERY (1968)
LN0039
LN0039''RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1968
LN0039''RECOVERED IN GOOD CONDITION.
LN0039
LN0039                          STATION RECOVERY (1982)
LN0039
LN0039''RECOVERY NOTE BY US GEOLOGICAL SURVEY 1982
LN0039''1.7 MILE SOUTHWEST ALONG U.S. HWY. 40 FROM THE STATE HWY. SHOP AT ELK
LN0039''SPRINGS, 70 YD SOUTHEAST OF NORTHEAST. END OF A CUT, 210 FT.
LN0039''SOUTHEAST OF HWY., 35 FT. NORTHWEST OF A FENCE, A STANDARD DISK SET
LN0039''IN THE TOP OF A CONCRETE POST.
LN0039
LN0039                          STATION RECOVERY (1991)
LN0039
LN0039''RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1991
LN0039''STATION IS LOCATED ABOUT 50 KM (31.1 MI) EAST-NORTHEAST OF DINOSAUR,
LN0039''35 KM (21.7 MI) SOUTHWEST OF MAYBELL, 2.3 KM (1.4 MI) SOUTHWEST OF
LN0039''ELK SPRINGS, AT THE BOTTOM OF AN ELEVATED SECTION OF US HIGHWAY 40,
LN0039''AT MILE 35.35, ON THE RIGHT-OF-WAY, IN THE SOUTHWEST 1/4 OF SECTION
LN0039''36, T 5 N, R 99 W.  OWNERSHIP--STATE DEPARTMENT OF TRANSPORTATION.
LN0039''TO REACH FROM THE JUNCTION OF US HIGHWAY 40 AND STATE HIGHWAY 318 JUST
LN0039''WEST OF MAYBELL, GO SOUTHWEST ON HIGHWAY 40 FOR 23.7 MI (38.1 KM) TO
LN0039''A GRAVEL ROAD RIGHT (COUNTY ROAD 14) IN ELK SPRINGS.  CONTINUE AHEAD
LN0039''FOR 1.3 MI (2.1 KM) TO A GRAVEL ROAD LEFT THROUGH A CUTBANK.
LN0039''CONTINUE AHEAD FOR 0.3 MI (0.5 KM) TO THE STATION ON THE LEFT.
LN0039''CONTINUE AHEAD FOR 0.05 MI (0.08 KM) TO A LOW CUTBANK.  TURN LEFT,
LN0039''THEN LEFT AGAIN, PARALLELING HIGHWAY, NORTHEAST, DOWN SLOPE FOR 0.1
LN0039''MI (0.2 KM) TO THE STATION.
LN0039''STATION MARK IS SET IN THE TOP OF A 20-CM SQUARE CONCRETE POST
LN0039''PROJECTING 15 CM ABOVE GROUND.  IT IS 65.2 M (213.9 FT) , SLOPE,
LN0039''SOUTHEAST OF, AND 10 M (32.8 FT) LOWER THAN THE HIGHWAY CENTER, 11.4
LN0039''M (37.4 FT) NORTHWEST OF THE HIGHWAY FENCE, 12.2 M (40.0 FT) NORTH OF
LN0039''A UTILITY POLE, 0.4 M (1.3 FT) NORTHWEST OF A METAL WITNESS POST AND
LN0039''0.9 M (3.0 FT) SOUTHWEST OF A FIBERGLASS WITNESS POST.
LN0039''DESCRIBED BY G.R.HEID
LN0039
LN0039                          STATION RECOVERY (1996)
LN0039
LN0039''RECOVERY NOTE BY COLORADO STATE DEPARTMENT OF HIGHWAYS 1996 (RSC)
LN0039''RECOVERED AS DESCRIBED.