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Details for Benchmark: KY0137

N 40° 47.667 W 080° 08.283 (NAD 83)

Altitude: 949.65

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

Location:
In BUTLER county, PA View Original Datasheet
Designation:
W 201
Marker Type:
bench mark disk
Setting:
massive structures
Stability:
Most reliable and expected to hold position/elevation well.

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Still in good condition. The ground around it looks well worn. Must be a popular bench mark.

Nice easy one to locate.

[Photos:]
photoW 201 Close-up

Thanks Hunster for the updated coords!

Found as described but at these coordinates: N 40° 47.743 W 080° 08.280

[Photos:]
photoBM KY0137

I actually saw this before I even knew what it was (pre Geocaching days), luckily so because from the street the bushes in front of the building were creating a little camo

[Photos:]
photoKY0137(W 201) - Zelienople PA_2010-05-16

Coordinates are off. Looks good on side of building.

[Photos:]
photoBM ky0137

I lived in Zelie all my life and have been at this building many times and never noticed this. Mark is in good shape and can be read easily.

Kids found it, but we had to adjust original coordinates per "shorbird"

[Photos:]
photoKY0137

The mark is in good condition at N 40° 47.743 W 080° 08.280.

[Photos:]
photoKY0137(W 201) - Zelienople PA
photoKY0137 - Looking N toward mark
photoKY0137 - Looking E from mark
photoKY0137 - Looking W from mark
photoKY0137 - Looking N toward mark (distant view)

Found as described. The adjusted coords are about 500 ft. off, but the mark is easily found using the description.

[Photos:]
photoKY0137
photoWide View

In good shape. Easily seen from W. New Castle Street.

Documented History (by the NGS)

1/1/1954 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1954 AT ZELIENOPLE. AT ZELIENOPLE, ALONG WEST NEW CASTLE STREET BETWEEN CLAY AND MAIN STREET, SET VERTICALLY IN SOUTH FACE OF ZELIENOPLE MUNICIPAL BUILDING, 1 1/2 FEET EAST OF SOUTHWEST CORNER OF BUILDING AND 3 FEET ABOVE SIDE WALK.
1/1/1983 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1983 RECOVERED IN GOOD CONDITION.

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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