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Details for Benchmark: CS1808

N 32° 43.933 W 097° 09.783 (NAD 83)

Altitude: 517.07

Coordinates may not be exact. Altitude is ADJUSTED and location is SCALED. (more info)

Location:
In TARRANT county, TX View Original Datasheet
Designation:
D 269
Marker Type:
bench mark disk
Setting:
set into the top of a round concrete monument
Stability:
May hold, but of type commonly subject to surface motion.

Must Read!

Benchmarks may be on private property or in dangerous locations. Obey local laws. By using the services on Geocaching.com you agree to this disclaimer.

I drove by this area while observing the GPS coordinates and I believe this mark is well south of the highway, deep into private property.

There are many others in this area, east and west on the highway. My advice: Make another selection.

Documented History (by the NGS)

01/01/1934 by CGS (MONUMENTED)
01/01/1951 by NGS (GOOD)
DESCRIBED BY NATIONAL GEODETIC SURVEY 1951 3.25 MI E FROM HANDLEY. 3.25 MILES EAST ALONG THE TEXAS AND PACIFIC RAILROAD FROM THE POST OFFICE AT HANDLEY, OPPOSITE MILEPOST 236, 90 FEET NORTH OF THE NORTH RAIL OF THE NORTH TRACK, 95 FEET SOUTH OF A STEEL WINDMILL, 5 FEET SOUTH OF A FENCE, SET IN THE TOP OF A CONCRETE POST WHICH PROJECTS 0.3 FOOT ABOVE THE GROUND.
01/01/1986 by NGS (MARK NOT FOUND)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1986 MARK NOT FOUND.
01/01/1989 by USPSQD (MARK NOT FOUND)
RECOVERY NOTE BY US POWER SQUADRON 1989 (CDS) MARK NOT FOUND.
09/21/1996 by USPSQD (MARK NOT FOUND)
RECOVERY NOTE BY US POWER SQUADRON 1996 MARK NOT FOUND.

Control Text

  • The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds.
  • The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991.
  • The geoid height was determined by GEOID99.
  • The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (G = 980.6199 gals.).
  • The modeled gravity was interpolated from observed gravity values.

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