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Details for Benchmark: NC1204

N 42° 40.856 W 078° 30.172 (NAD 83)

Altitude: 1345

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

Location:
In ERIE county, NY View Original Datasheet
Designation:
HOL BAY 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 HOLLAND ABOUT 3.4 MILES NORTHEAST OF THE COMMUNITY OF HOLLAND. IT IS ALSO 4.3 MILES SOUTHEAST OF THE COMMUNITY OF SOUTH WALES. TO REACH FROM THE INTERSECTION OF NY RTE 16 (HOLLAND ROAD) AND VERMONT STREET IN THE COMMUNITY OF HOLLAND, GO NORTHEAST ON VERMONT STREET FOR 2.32 MILES TO HUNTERS CREEK ROAD TURN LEFT AND GO NORTH FOR 2.1 MILES TO SANDERS ROAD. TURN RIGHT AND GO EAST FOR 0.6 MILE TO STATION ON RIGHT NEAR BEND IN ROAD. STATION MARK IS A STANDARD ERIE COUNTY SURVEY DISK SET IN A ROUND CONCRETE POST 5 INCHES BELOW GROUND. THE DISK IS STAMPED HOL-BAY 1 1973. AN UNDERGROUND DISK WAS ESTABLISHED AND STAMPED THE SAME. AZIMUTH SIGHTED TO THE NORTHWEST WAS THE LIGHT ON THE MAST OF WALES T.V. STATION WGR ON WARNER HILL ROAD IN WALES. DISTANCE AND DIRECTION FROM STATION RP-1 NEAR EDGE OF 8 IN DIA. TREE 22.5 FEET NE RP-2 EDGE OF ROAD SIGN 76.5 FEET E RP-3 CENTERLINE OF SANDERS ROAD 17.5 FEET S RP-4 NEAR EDGE OF GUARD POST 4.1 FEET W RP-5 NEAR EDGE OF 8 IN DIA. TREE 11.5 FEET N AZIMUTH MARK IS A STANDARD ERIE COUNTY SURVEY DISK SET IN A ROUND CONCRETE POST 1 INCH BELOW GROUND. THE DISK IS STAMPED HOL-BAY 1 AZ. A 1973. TO REACH FROM HOL-BAY 1, GO WEST ON SANDERS ROAD FOR 0.6 MILE TO HUNTERS CREEK ROAD TURN RIGHT AND GO NORTH FOR 0.15 MILE TO STATION ON LEFT. DISTANCE AND DIRECTION FROM STATION RP-1 NEAR EDGE OF 28 IN DIA. TREE 82.1 FEET NE RP-2 CENTERLINE OF HUNTERS CREEK ROAD 14.0 FEET E RP-3 NORTHEAST CORNER OF GUARD POST 4.2 FEET S RP-4 NEAR EDGE OF METAL WITNESS POST 2.4 FEET W RP-5 TOP AND CENTER OF WEST END OF CULVERT PIPE 8.8 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  • The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.)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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