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Details for Benchmark: KV6449

N 40° 20.567 W 074° 39.500 (NAD 83)

Altitude: 154.25

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

Location:
In MERCER county, NJ View Original Datasheet
Designation:
M 2 RESET
Marker Type:
survey disk
Setting:
set into the top of a round concrete monument
Stability:
May hold, but of type commonly subject to surface motion.

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came back for a revisit today. Measured from the sewer (inlet) and verified the location was under some remaining snow! dug snow and found. the snow was melting very quickly so disk pictures show water on the disk

[Photos:]
photoFrom further back
photoMonument under snow
photoThe disk
pretty new looking

I found the same stake but it was broken off, an obvious victim of snow plow abuse. I measured from both wooden lamp posts with no luck. spent quite a bit of time probing and aerating the lawn here with out finding it. Still soem snow piles, bet it was under one of them.

Easy find.
There was a wooden stake at site,with red,white,and blue ribbons attatched to it. Couldn't miss it.
Left N.Y. quater at site to prove i was there.

Documented History (by the NGS)

01/01/1989 by NJGS (MONUMENTED)
DESCRIBED BY NEW JERSEY GEODETIC SURVEY 1989 THE STATION IS LOCATED IN WEST WINDSOR TOWNSHIP, ON THE GROUNDS OF THE PRINCETON TRAIN STATION AT THE SOUTH END OF THE BOROUGH OF PRINCTON, SOUTHEAST OF THE JUNCTION OF ALEXANDER STREET AND UNIVERSITY PLACE. THE STATION IS SET IN A GRASS PLOT, SOUTHWEST OF THE TRAIN PLATFORM, 15.4 M (50.5 FT) SOUTHEAST OF THE NORTHEAST CORNER OF A ONE STORY STUCCO BUILDING, THE DEPARTMENT OF FOOD SERVICE, NUMBER 130 UNIVERSITY PLACE, 27.6 M (90.6 FT) SOUTHWEST OF THE SOUTHEAST CORNER OF THE RETAINING WALL OF THE CONCERTE STEPS LEADING TO THE TRAIN PLATFORM, 30.55 M (100.23 FT) SOUTH SOUTHWEST OF THE SOUTHWEST CORNER OF THE SAME STEPS, 7.9 M (25.9 FT) SOUTHWEST OF THE SOUTHWEST CORNER OF AN INLET CURBPIECE, 12.4 M (40.7 FT) NORTH NORTHWEST OF A WOODEN LIGHT POLE, 4.0 M (13.1 FT) SOUTHEAST OF A WOODEN LIGHT POLE AND LEVEL WITH THE GROUND.
04/05/1995 by NJGS (GOOD)
RECOVERY NOTE BY NEW JERSEY GEODETIC SURVEY 1995 (ECB) RECOVERED AS DESCRIBED.

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 April 1995.
  • 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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