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Details for Benchmark: DN0672

N 33° 13.467 W 097° 07.683 (NAD 83)

Altitude: 664

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

Location:
In DENTON county, TX View Original Datasheet
Designation:
CIA RM 2
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.

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Documented History (by the NGS)

01/01/1935 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1935 IN DENTON. AT DENTON, DENTON COUNTY, ON THE CAMPUS OF THE COLLEGE OF INDUSTRIAL ARTS FOR WOMEN, 144.8 FEET WEST OF TRIANGULATION STATION C.I.A. DESCRIBED ABOVE, 109.3 FEET SOUTH-SOUTHWEST OF THE SOUTHWEST CORNER OF THE ADMINISTRATION BUILDING, AND 1 FOOT NORTH OF THE CONCRETE CURB OF A DRIVEWAY. A STANDARD REFERENCE-MARK DISK, STAMPED CIA NO 2 1935 AND SET IN THE TOP OF A CONCRETE POST FLUSH WITH THE GROUND.
01/01/1980 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1980 LOCATED ON THE CAMPUS OF THE TEXAS WOMAN''S UNIVERSITY IN DENTON, TEXAS. IT IS IN THE NORTHEAST SECTION OF DENTON SOUTHWEST OF THE MAIN ENTRANCE TO THE OLD ADMINSTRATION BUILDING. THE BUILDING HAS NOT BEEN USED SINCE 1956. THE MARK IS 90 FEET WEST OF A CIRCLE DRIVE, 15 FEET SOUTHWEST OF A TWIN TRUNKED OAK TREE AND 1 FOOT NORTH OF A CURB.
06/30/1995 by USPSQD (MARK NOT FOUND)
RECOVERY NOTE BY US POWER SQUADRON 1995 MARK NOT FOUND.
02/24/1998 by USPSQD (MARK NOT FOUND)
RECOVERY NOTE BY US POWER SQUADRON 1998 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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