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Details for Benchmark: NC1281

N 42° 39.042 W 078° 37.641 (NAD 83)

Altitude: 1640

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

Location:
In ERIE county, NY View Original Datasheet
Designation:
COL WAL 2
Marker Type:
survey disk
Setting:
set into the top of a round concrete monument
Stability:

Reference Points

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Documented History (by the NGS)

01/01/1973 by NY-029 (MONUMENTED)
DESCRIBED BY ERIE COUNTY NEW YORK 1973 (TA) STATION IS LOCATED IN THE TOWN OF COLDEN ABOUT 3.0 MILES EAST OF THE COMMUNITY OF COLDEN. IT IS ALSO 2.7 MILES NORTH OF THE LOCALITY OF GLENWOOD. IT IS ALSO 2.5 MILES WEST OF THE COLDEN-HOLLAND TOWN LINE. TO REACH FROM THE INTERSECTION OF CENTER STREET AND PARTRIDGE ROAD, WHICH IS LOCATED 3.2 MILES EAST OF THE COMMUNITY OF COLDEN, GO WEST ON PARTRIDGE ROAD FOR 0.2 MILES AND THE STATION MARK ON THE LEFT JUST OPPOSITE HOUSE NO. 9896. STATION MARK IS A STANDARD ERIE COUNTY SURVEY DISK SET IN A ROUND CONCRETE POST 2 INCHES BELOW THE GROUND. THE DISK IS STAMPED COL-WAL-2 1973. AN UNDERGROUND MARK WAS ESTABLISHED AND STAMPED THE SAME. AZIMUTH MARK SIGHTED TO THE EAST WAS THE U.S.C. AND G.S. AZ MK WALTER (1939) WHICH IS LOCATED APPROXIMATELY 275 FEET EAST OF THE INTERSECTION OF CENTER STREET AND PARTRIDGE ROAD AND ON THE SOUTH SIDE OF PARTRIDGE ROAD. IT IS A STANDARD DISK SET IN A CONCRETE POST PROJECTING ONE INCH ABOVE THE GROUND. IT IS 27.3 FT. SOUTH OF THE CENTERLINE OF PARTRIDGE ROAD, 109.3 FT. SOUTH OF THE SOUTHEAST CORNER OF THE GARAGE PART OF A HOUSE, AND 200.2 FT. NORTHEAST OF THE NORTHWEST CORNER OF A FIRE STATION. AZIMUTH SIGHTED TO THE SOUTHEAST WAS THE CENTERLINE OF THE LIGHT ON TOP OF THE WKBW TV TOWER WHICH IS LOCATED ON THE EAST SIDE OF CENTER STREET JUST NORTH OF THE LOCALITY OF GLENWOOD IN THE TOWN OF COLDEN, NEW YORK. DISTANCE AND DIRECTION FROM STATION RP-1 NEAR EDGE OF POLE NO. NYSEG/36 89.0 FEET NE RP-2 EXTENDED CENTERLINE OF DRIVEWAY TO HOUSE NO. 9896 29.7 FT. E RP-3 NEAR EDGE OF POLE NO. NYSEG/36S 48.2 FEET E RP-4 NEAR EDGE OF METAL WITNESS POST 6.4 FEET S RP-5 CHISELED CROSS IN CENTER OF LAST WOODEN GUARD RAIL SUPPORT POST 68.2 FEET NW RP-6 NEAR EDGE OF 15 INCH TREE 94.8 FEET N RP-7 CENTERLINE OF PARTRIDGE ROAD 30.6 FEET N

Control Text

  • The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in January 1999.
  • The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.)
  • The Laplace correction was computed from DEFLEC99 derived deflections.
  • The geoid height was determined by GEOID99.

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