A 8 (HV8076) - Washington, DC - U.S. Benchmarks on Waymarking.com

This mark is set vertically near the E edge of the N side of the Monument less than a foot above the ground.

Recovery information from the NGS datasheet is as follows:


1/1/1984 by NGS (MONUMENTED)
DESCRIBED BY NATIONAL GEODETIC SURVEY 1984 IN WASHINGTON DC. THE MARK IS 0.2 M ABOVE THE GROUND. AT THE WASHINGTON MONUMENT, SET IN THE WALL OF THE MONUMENT 0.9 METER (3.0 FT) WEST OF THE NORTHEAST CORNER AND 0.2 METER (0.6 FT) ABOVE THE GROUND. THE MARK CONSIST OF A 1-INCH DIAMETER BY 3.5 INCHES LONG STAINLESS STEEL PIPE SET IN THE WALL, AND A STAINLESS STEEL SCREW PLUG, SCREWED INTO THE PIPE AND FLUSH WITH THE WALL. THE POINT FOR WHICH THE ELEVATION IS GIVEN IS EQUIDISTANCE FROM THE TOP OF THE PIPE AND THE TOP OF THE PLUG. (A HORIZONTAL LINE BETWEEN THE TOPS OF THE TWO VISIBLE CIRCLES.) FOR PRECISE LEVELING SURVEYS, THE PLUG IS UNSCREWED AND A SPECIAL STAINLESS STEEL BOLT IS INSERTED IN THE PIPE FOR THE REFERENCE POINT.

5/12/1992 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1992 IN WASHINGTON, D.C., A 1-INCH STAINLESS STEEL PLUG SCREWED INTO A 1-INCH DIAMETER BY 3.5-INCHES LONG STAINLESS STEEL PIPE SET VERTICALLY NEAR THE NORTHEAST CORNER OF THE WASHINGTON MONUMENT, 0.9 M (3.0 FT) WEST OF THE NORTHEAST CORNER OF THE MONUMENT, AND 0.2 M (0.7 FT) ABOVE THE GROUND SURFACE. NOTE--FOR PRECISE LEVELING SURVEYS, THE PLUG IS REMOVED AND A SPECIAL STAINLESS STEEL BOLT IS INSERTED INTO THE PIPE FOR THE DATUM POINT.

6/15/1992 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1992 IN WASHINGTON, D.C., SET IN THE WALL OF THE WASHINGTON MONUMENT, 0.9 M (3.0 FT) WEST OF THE NORTHEAST CORNER OF THE MONUMENT, AND 0.2 M (0.7 FT) ABOVE THE GROUND SURFACE. THE MARK CONSISTS OF A 1-INCH DIAMETER BY 3.5-INCH LONG STAINLESS STEEL PIPE SET IN THE WALL, A STAINLESS STEEL PLUG SCREWED INTO THE PIPE THAT IS FLUSH WITH THE WALL. THE POINT FOR WHICH THE ELEVATION IS GIVEN IS EQUIDISTANT FROM THE TOP OF THE PIPE AND THE TOP OF THE PLUG (A HORIZONTAL LINE BETWEEN THE TOPS OF THE TWO VISIBLE CIRCLES.) NOTE--FOR PRECISE LEVELING SURVEYS, THE PLUG IS UNSCREWED AND A SPECIAL STAINLESS STEEL BOLT IS INSERTED IN THE PIPE FOR THE REFERENCE POINT.

9/28/1998 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1998 (RLA) RECOVERED AS DESCRIBED.

11/22/1999 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1999 (RWA) RECOVERED AS DESCRIBED.

Condition: Mark found in good condition Designation: - blank - Benchmark Agency: National Geodetic Survey Monumentation type: other (not any of the below) Monumentation type (if other): pipe & plug County: Washington, DC USGS 7.5' Topographic Quadrangle Name (optional): Washington West Quad - DC/MD/VA Find type: Coordinates and/or to-reach information from the NGS database (or Geocaching's copy of it) were used Web address of this benchmark's datasheet (optional): [Web Link] NGS PID: HV0876 Local database's URL (optional): [Web Link] Benchmark Agency (if other): Not listed Special category (optional): Not listed Special Category (if other): Not listed

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