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Details for Benchmark: NC1221

N 42° 39.021 W 078° 35.732 (NAD 83)

Altitude: 1637

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 1
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 2.9 MILES WEST OF THE COMMUNITY OF HOLLAND. IT IS ALSO 4.6 MILES EAST OF THE COMMUNITY OF COLDEN. IT IS ALSO 3.9 MILES NORTHEAST OF THE LOCALITY OF GLENWOOD. TO REACH FROM THE INTERSECTION OF CENTER STREET AND PARTRIDGE ROAD, WHICH IS LOCATED 3.2 MILES EAST OF THE COMMUNITY OF COLDEN, GO EAST ON PARTRIDGE ROAD FOR 1.4 MILES TO THE JUNCTION OF LEWIS ROAD AND THE STATION MARK ON THE RIGHT. 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-1 1973. AN UNDERGROUND MARK WAS ESTABLISHED AND STAMPED THE SAME. AZIMUTH SIGHTED TO THE WEST WAS THE CENTERLINE OF THE LIGHT ON TOP OF THE COLDEN RADIO STATION WBEN FM AND TV MAST 1958 WHICH IS LOCATED ON CENTER STREET IN TOWN OF COLDEN, NEW YORK. DISTANCE AND DIRECTION FROM STATION RP-1 SOUTHWEST CORNER OF GARAGE 111.7 FEET N RP-2 SOUTHEAST CORNER OF GARAGE 120.3 FEET NE RP-3 NEAR EDGE OF 15 INCH ASH TREE 35.6 FEET E RP-4 NEAR EDGE AT BASE OF POLE NO. NYSE AND G 35-101 11.3 FEET SW RP-5 CENTERLINE OF PARTRIDGE ROAD 15.6 FEET N STATION MARK IS A STANDARD ERIE COUNTY SURVEY DISK SET IN A ROUND CONCRETE POST 1 INCH BELOW THE GROUND. THE DISK IS STAMPED COL-WAL-1 AZ. A 1973. TO REACH FROM COL-WAL-1, GO NORTH ON LEWIS ROAD FOR 0.6 MILE AND THE STATION ON THE RIGHT. DISTANCE AND DIRECTION FROM STATION RP-1 EXTENDED SOUTH RANGE LINE OF HOUSE NO. 8217 175.0 FEET N RP-2 NEAR EDGE OF METAL PIPE (GAS VENT) 26.9 FEET NE RP-3 SOUTHWEST CORNER OF GAS VALVE BOX 22.6 FEET NE RP-4 NEAR EDGE AT BASE OF POLE NO. 14 7.8 FEET E RP-5 CENTERLINE OF LEWIS ROAD 12.0 FEET W

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  • The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.)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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