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Details for Benchmark: LY1069

N 41° 34.117 W 075° 15.133 (NAD 83)

Altitude: 973

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

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

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Decided to find some benchmarks in my home town. This one is as the 1951 survey describes. It is located on the west end of the bridge and is a marker that is getting kind of worn down. You can still make out the PDH (Pennylvania Department of Highway)on the disc.

Documented History (by the NGS)

Unknown by PADH (MONUMENTED)
1/1/1951 by NGS (GOOD)
DESCRIBED BY NATIONAL GEODETIC SURVEY 1951 AT HONESDALE. AT HONESDALE, WAYNE COUNTY, AT THE SOUTHERLY END OF THE TOWN, AT THE BRIDGE CARRYING U.S. HIGHWAYS 6 AND 106 OVER LACKAWAXEN RIVER, AND ON THE TOP OF THE DOWNSTREAM END OF THE WEST ABUTMENT. A PENNSYLVANIA DEPARTMENT OF HIGHWAYS STANDARD DISK.
1/1/1988 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1988 (JRF) RECOVERED IN GOOD CONDITION.
1/1/1989 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1989 (LRF) RECOVERED IN GOOD CONDITION.

Control Text

  • The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds.
  • The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the superseded datum.
  • The geoid height was determined by GEOID99.

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