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Details for Benchmark: ND0128

N 42° 07.450 W 080° 05.167 (NAD 83)

Altitude: 661.37

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

Location:
In ERIE county, PA View Original Datasheet
Designation:
B 362
Marker Type:
metal rod
Setting:
stainless steel rod in sleve
Stability:
Most reliable and expected to hold position/elevation well.

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Recovered in good condition at N 42 07.463 W 080 05.180. Add to description, the mark is in the front lawn of the Robert H Morosky Academic Center of Gannon University, 5.0 feet southwest of the south corner of a granite stone sign base. The sign has been removed from the base.

[Photos:]
photoND0128(B 362) - Erie PA
photoND0128 - Eye level
photoND0128 - Looking N

This one hasnt been found for quite some time. Had to use my pocket knife to find it. It was buried pretty good.

[Photos:]
photoClose up
photoLooking East

Went to this one today during my lunch.

Easy find.

[Photos:]
photoND0128

Rod located as described and in good condition.

[Photos:]
photoCover.
photoBenchmark rod.

Prety easy find even though the granite sign is now gone. Part of it remains though right behind a newer Verizon sign.

[Photos:]
photoBenchmark location...
photoBenchmark (Rod) ...

Found it.

Mr & Mrs Bean

Documented History (by the NGS)

01/01/1981 by NGS (MONUMENTED)
DESCRIBED BY NATIONAL GEODETIC SURVEY 1981 IN ERIE. IN ERIE, AT THE NORTH ANGLE OF THE INTERSECTION OF 10TH AND SASSAFRAS STREETS, THE MARK IS IN THE FRONT LAWN OF THE GENERAL TELEPHONE COMPANY, SOUTHWEST OF THE SOUTHWEST END OF THE GRANITE STONE SIGN AND IN LINE WITH THE SOUTHEAST FACE OF THE SIGN READING GENERAL TELEPHONE, 17.06 METERS (56.0 FEET) SOUTH OF THE SOUTH CORNER OF THE TELEPHONE BUILDING, 12.89 METERS (42.3 FEET) NORTHWEST OF THE NORTHWEST CURB OF 10TH STREET, 10.30 METERS (33.8 FEET) NORTHEAST OF THE NORTHEAST CURB OF SASSAFRAS STREET AND 1.21 METERS (4.0 FEET) SOUTHWEST OF THE SOUTH CORNER OF THE GRANITE STONE SIGN. THE MARK IS ABOVE LEVEL WITH THE SIDEWALK.
01/01/1982 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1982 RECOVERED IN GOOD CONDITION.
01/01/1983 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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