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Details for Benchmark: JV2097

N 39° 56.767 W 077° 20.383 (NAD 83)

Altitude: 858.68

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

Location:
In ADAMS county, PA View Original Datasheet
Designation:
U 159 PADH
Marker Type:
survey disk
Setting:
massive structures
Stability:
Probably hold position/elevation well.

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Quick find.

N 39° 56.775 W 077° 20.406

Recovered in good condition....

[Photos:]
photoU 159 PADH (JV2097) disk - Adams County, PA
photoU 159 PADH (JV2097) setting - view looking NW

Swung by for a quick find while in the area with Ghosthunter.

Just getting around to posting this but I found the BM about 6 weeks ago.

Greetings Geocachers/Benchmarkers,

I found this benchmark with very little difficulty. It’s in terrific shape and exactly where it’s supposed to be.

Happy Benchmarking,
Ghosthunter
Gettysburg, PA

Documented History (by the NGS)

Unknown by PADH (MONUMENTED)
01/01/1942 by CGS (GOOD)
DESCRIBED BY COAST AND GEODETIC SURVEY 1942 0.6 MI SW FROM ARENDTSVILLE. 0.6 MILE SOUTHWEST ALONG DIRT ROAD 01071 FROM THE POST OFFICE AT ARENDTSVILLE, ADAMS COUNTY, THENCE 1.5 MILES NORTHWEST ALONG A DIRT ROAD, AND THENCE 1.4 MILES NORTHWEST ALONG STATE HIGHWAY 234, IN THE SOUTHEAST WINGWALL OF A CONCRETE BRIDGE OVER CONEWAGA CREEK, AND 14 FEET EAST OF THE CENTERLINE OF THE HIGHWAY. A PENNSYLVANIA STATE HIGHWAY DEPARTMENT STANDARD DISK, STAMPED U 159 1942.

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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