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Details for Benchmark: KV0046

N 40° 37.083 W 074° 17.000 (NAD 83)

Altitude: 34.76

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

Location:
In UNION county, NJ View Original Datasheet
Designation:
E 11
Marker Type:
bench mark disk
Setting:
massive structures
Stability:
Probably hold position/elevation well.

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Our great day of paddling ended suddenly when the local constable threw us off the water. Oh well, that just meant we had some time to grab a Benchmark or two.

[Photos:]
photoKV0046

spotted this with Gal

Found it.®

N 40° 37.088 W 074° 16.972

Found easily by description. Hand-held GPS coordinates above.

[Photos:]
photoKV0046 Rahway Union NJ Close Up
photoKV0046 Rahway Union NJ View Southeast

Found exactly as described. While you’re here, pop across the street and get KV0048. Handheld coords are N40-37.093 W074-16.973.

[Photos:]
photoKV0046 - the Mark
photoKV0046 in Rahway, NJ
Looking southeast at the main entrance (St George's Road) of Franklin School, the disk is in the wall to the right of the doors, midway and on a line between the orange hat, center, and the left edge of the sill supporting the air conditioner.
N 40° 37.087 W 074° 16.977

Recovered in good shape 75%. Literal position described is accurate.
E11, 1933

Coyote

[Photos:]
photoSchool
Franklin School
photoDisc
Benchmark

Documented History (by the NGS)

01/01/1933 by CGS (MONUMENTED)
01/01/1950 by CGS (GOOD)
DESCRIBED BY COAST AND GEODETIC SURVEY 1950 AT RAHWAY. AT RAHWAY, UNION COUNTY, AT THE INTERSECTION OF ST. GEORGES STREET AND HARRISON AVENUE, IN THE NORTHWEST FACE OF THE RAHWAY FRANKLIN SCHOOL, 10 FEET SOUTHWEST OF THE MIDDLE OF THE MAIN ENTRANCE, AND ABOUT 3-1/2 FEET ABOVE THE PORCH. A STANDARD DISK, STAMPED 35.892 E 11 1933 AND SET VERTICALLY.
01/01/1965 by CGS (GOOD)
RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1965 RECOVERED IN GOOD CONDITION.
01/01/1989 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1989 (CWK) RECOVERED IN GOOD CONDITION.
06/30/1994 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1994 RECOVERED IN GOOD CONDITION.

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 June 1991.
  • 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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