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Details for Benchmark: KU1148

N 40° 53.700 W 073° 52.750 (NAD 83)

Altitude: 214.01

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

Location:
In BRONX county, NY View Original Datasheet
Designation:
S 351
Marker Type:
bench mark disk
Setting:
light structures
Stability:
Mark of questionable or unknown stability.

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Found in good condition as described.

[Photos:]
photoS351 Disk
photoS351 Setting

Found on a walk in the Bronx. Almost missed it as it blends in so well with the colour of the stone. There are also several old marks along this wall in the form of chisled squares. Some one marked them off in spray paint- so - hard to miss.

Foiund as described in good condition.

[Photos:]
photoKU1148 "S 351", 233rd & Jerome Ave, Bronx NY
View of cemetery from across 233rd Street.
photoKU1148 "S 351", 233rd & Jerome Ave, Bronx NY
photoKU1148 "S 351", 233rd & Jerome Ave, Bronx NY

Documented History (by the NGS)

1/1/1952 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1952 AT NEW YORK. AT NEW YORK, IN BOROUGH OF BRONX, AT NORTH EDGE NEAR NORTHWEST CORNER OF WOODLAWN CEMETERY, AT INTERSECTION OF JEROME AVENUE AND EAST 233RD STREET, 184 FEET EAST OF EAST CURB LINE OF JEROME AVENUE, 20 1/2 FEET SOUTH OF SOUTH CURB LINE OF EAST 233RD STREET, 54 FEET EAST OF FANCY CORNER POST ON LOW MASONRY WALL OF CEMETERY FENCE, SET IN TOP OF MASONRY WALL AND 0.9 FOOT SOUTH OF IRON FENCE WHICH IS ON TOP OF MASONRY WALL.
1/1/1986 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1986 (GFW) RECOVERED IN GOOD CONDITION.
1/1/1987 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1987 (GFW) RECOVERED IN GOOD CONDITION.
9/13/1994 by USPSQD (MARK NOT FOUND)
RECOVERY NOTE BY US POWER SQUADRON 1994 MARK NOT FOUND.

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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