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Details for Benchmark: JW0606

N 39° 54.850 W 079° 27.500 (NAD 83)

Altitude: 1694.71

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

Location:
In FAYETTE county, PA View Original Datasheet
Designation:
Y 196
Marker Type:
bench mark disk
Setting:
light structures
Stability:
Mark of questionable or unknown stability.

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Auf dem Weg von Pittsburgh zu einem Besuch von Fallingwater meine erste Benchmark gefunden.
Gruesse aus Deutschland. Jo44

On my way back from the Nemacolins Woodlands Resort and Falling Water I found this and it's in a good condition.

[Photos:]
photoJW0606
gut in Schuss
photo JW0606
s.o.

Recovered in good condition..

[Photos:]
photoY 196 (JW0606) disk - Fayette County, PA
photoY 196 (JW0606) area - view looking S

Found today after hiking at Bear Run.

[Photos:]
photoJW0606 Disc
photoJW0606 Disc 2
photoJ0606 Culvert

Documented History (by the NGS)

01/01/1943 by CGS (MONUMENTED)
01/01/1954 by NGS (GOOD)
DESCRIBED BY NATIONAL GEODETIC SURVEY 1954 4.5 MI NE FROM OHIOPYLE. ABOUT 4.5 MILES NORTHEAST ALONG STATE HIGHWAY 381 FROM THE CROSSING OF THE BALTIMORE AND OHIO RAILROAD AT OHIOPYLE, ABOUT 35 YARDS SOUTH OF THE TOP OF A GRADE, AT THE Y JUNCTION OF A ROAD LEADING NORTHEAST AND UPHILL TO A 2-STORY FARM HOUSE, IN THE TOP OF THE NORTH END OF THE EAST STONE MASONRY HEAD WALL OF A 15-INCH PIPE CULVERT UNDER HIGHWAY, 21 FEET EAST OF CENTER LINE OF HIGHWAY AND ABOUT LEVEL WITH HIGHWAY.

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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