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Details for Benchmark: GA2723

N 36° 45.700 W 083° 41.717 (NAD 83)

Altitude: 1014.83

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

Location:
In BELL county, KY View Original Datasheet
Designation:
1012
Marker Type:
survey disk
Setting:
massive structures
Stability:
Probably hold position/elevation well.

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Found in good condition.

Note: The designation is 102 (not a erroneous altitude). See the original datasheet.
STAMPING: 1012 LEX 1015.323

[Photos:]
photoIMG_7216

Just happened to spot this one while driving by.

[Photos:]
photoup close
photoarea view
N 36° 45.704 W 083° 41.727

This benchmark was easily located using the 1951 NGS official history. It is in excellent condition and carries a dual inscription that reads 1012 feet and underneath it 1015.323, which is presumed to be a correction of the elevation determined upon a later visit (perhaps 1975).

[Photos:]
photoGA2723
This is a photo of Benchmark GA2723 found to be in excellent condition on the east face of the NE corner, 2 feet south of corner and 2 feet above sidewalk.

Documented History (by the NGS)

Unknown by CGS (MONUMENTED)
01/01/1951 by NGS (GOOD)
DESCRIBED BY NATIONAL GEODETIC SURVEY 1951 AT PINEVILLE. AT PINEVILLE, SET VERTICALLY IN THE EAST FACE AT NORTHEAST CORNER OF COURT HOUSE, 2 FEET SOUTH OF CORNER AND 2 FEET ABOVE A WALK.
01/01/1975 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1975 RECOVERED IN GOOD CONDITION.

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.