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Details for Benchmark: JV3262

N 39° 56.417 W 077° 39.100 (NAD 83)

Altitude: 641.38

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

Location:
In FRANKLIN county, PA View Original Datasheet
Designation:
51.41 PRR
Marker Type:
bolt
Setting:
massive structures
Stability:
Probably hold position/elevation well.

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Found as described.

Recovered in good condition...

[Photos:]
photo51.41 PRR (JV3262) bolt - Chambersburg, PA
photo51.41 PRR (JV3262) area - view looking WNW

Greetings Geocachers/Benchmarkers,

I found this copper bolt benchmark with no difficulty. It’s as described by gnbrotz and catfishcrusader, exactly where it’s supposed to be.

Happy Benchmarking,
Ghosthunter
Gettysburg, PA

Just like gnbrotz said, these are easy to spot
after the first one.

Another easy one to locate, especially after finding JV3257 (my first 'bolt' found).

Documented History (by the NGS)

Unknown by PRR (MONUMENTED)
01/01/1934 by CGS (GOOD)
DESCRIBED BY COAST AND GEODETIC SURVEY 1934 0.3 MI N FROM CHAMBERSBURG. 0.3 MILE NORTH ALONG THE PENNSYLVANIA RAILROAD FROM THE STATION AT CHAMBERSBURG, FRANKLIN COUNTY, AT BRIDGE 51.41 OVER GRANT STREET, AND IN THE TOP OF THE WEST WALL. A BRASS BOLT.

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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