MY5421: 195 0110 (NHDPW&H/NGS, Hampstead, NH) - U.S. Benchmarks on Waymarking.com

This station, a NH Department of Public Works and Highways standard disk, is located in Hampstead, NH. It is set in ledge at the north side of NH Route 111, 0.2 miles west from the junction with NH Route 121. It is 8 feet above the road surface, and is suitable for GPS. An NOAA witness post is 20 feet north from the mark.

The NGS datasheet description is adequate, but the NHDOT datasheet description gives additional information for two reference marks and an azimuth:

THE STATION IS LOCATED IN HAMPSTEAD.TO REACH THE STATION FROM THE JUNCTION OF STATE ROUTES 111 AND 121 SOUTHEAST OF HAMPSTEAD, GO WEST FOR 0.2 MI ON ROUTE 111 TO A ROCK OUTCROP AND THE STATION ON THE RIGHT.THE STATION IS A STANDARD NHDPWH DISK STAMPED--GPS 195 0110--, SET INTO THE TOP OF A ROCK OUTCROP, 8.0 FT ABOVE THE HIGHWAY. LOCATED 35.1 FT NORTH FROM THE NORTH EDGE OF PAVEMENT OF THE HIGHWAY, 68.9 FT EAST FROM POWER POLE PSNH/4/NETT/6, 89.9 FT WEST FROM A DRAINAGE PIPE WITH A STONE HEADER, 3.9 FT NORTH FROM THE SOUTH FACE OF THE LEDGE, AND 23.0 FT SOUTH FROM ORANGE CARSONITE WITNESS POST.REFERENCE MARK 1 IS A STANDARD NHDPWH DISK STAMPED--195 0110 RM 1--, SET INTO A DRILL HOLE IN ROCK LEDGE.LOCATED 75.1 FT WEST-NORTHWEST FROM A DRAINAGE PIPE WITH A STONE HEADER, 47.9 FT NORTH FROM THE NORTH EDGE OF PAVEMENT, 89.6 FT EAST-NORTHEAST FROM A POWER POLE PSNH/4/NETT/6, MARK IS 1.6 FT BELOW THE STATION.REFERENCE MARK 2 IS A STANDARD NHDPWH DISK STAMPED--195 0110 RM 2--, SET INTO A DRILL HOLE IN ROCK LEDGE. LOCATED 115 FT WEST FROM A DRAINAGE PIPE WITH A STONE HEADER, 38.1 FT NORTH FROM THE NORTH EDGE OF PAVEMENT, 45.6 FT EAST-NORTHEAST FROM POWER POLE PSNH/4/NETT/6. MARK IS 0.7 FT BELOW THE STATION.TY 10 IS THE AZIMUTH MARK FOR THIS STATION.

On a personal note, I found this mark based on bits of information gleaned from a variety of sources in the past. The witness post confirmed my guess; it is an easy find. I found RM 1 by chance, I did not find RM 2 or the azimuth. Yet.

Condition: Mark found in good condition Designation: GPS 195 0110 Benchmark Agency: Not listed Monumentation type: Disk (unspecified type) County: Rockingham USGS 7.5' Topographic Quadrangle Name (optional): Salem Depot Find type: Found by luck/skill/knowledge Web address of this benchmark's datasheet (optional): [Web Link] NGS PID: MY5421 Local database's URL (optional): [Web Link] Benchmark Agency (if other): Not listed Monumentation type (if other): Not listed Special category (optional): Not listed Special Category (if other): Not listed

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