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Details for Benchmark: KU1149

N 40° 53.767 W 073° 52.117 (NAD 83)

Altitude: 175.71

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

Location:
In BRONX county, NY View Original Datasheet
Designation:
T 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. Sporting a new oval of day-glo orange paint, with pinkish paint dripped on the disk. There is a spray painted marking on the curb, as well.

[Photos:]
photoT351 Disk
photoT351 Setting
photoT351 Marking on Curb

found after dark- but it stands out as it has been spray painted in the past yellow.

Found this today on a quick walk down 233rd Street.

Found as described in good condition.

This mark is on the cemetery wall directly opposite the fire house on 233rd Street. See [url=http://www.geocaching.com/mark/details.aspx?Pid=KU1150]KU1150 "1912 BOB"[/url] for the bench mark on the fire house.

[Photos:]
photoKU1149 "T 351" 233rd & 234th, Bronx NY
View from across the street.
photoKU1149 "T 351" 233rd & 234th, 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 WOODLAWN, SET VERTICALLY IN THE NORTH FACE OF GRANITE MASONRY WALL AT NORTH SIDE OF WOODLAWN CEMETERY, 19 1/2 FEET SOUTH OF SOUTH CURB OF EAST 233RD STREET, AT RIGHT ANGLE ACROSS EAST 233RD STREET FROM THE EAST EDGE OF WEST DOOR TO FIRE STATION NO. 39, ABOUT 110 YARDS EAST OF Y INTERSECTION OF EAST 233RD AND EAST 234TH STREETS, 18 1/2 FEET SOUTH-SOUTHEAST OF A FIRE HYDRANT AND 3.4 FEET ABOVE LEVEL OF GROUND.
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 (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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