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Details for Benchmark: JU0359

N 39° 18.933 W 074° 35.783 (NAD 83)

Altitude: 34.94

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

Location:
In ATLANTIC county, NJ View Original Datasheet
Designation:
H 65
Marker Type:
bench mark disk
Setting:
massive structures
Stability:
Probably hold position/elevation well.

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Mark still in the wall, still enclosed by fence/gate. We opened the gate to take the photo.


[Photos:]
photoInside the fence

Recovered in good condition. As noted by others, this mark is now enclosed by a fence. Visibility limited.

[Photos:]
photoThe mark
Best I could do through the fence.

It's easy to find the location but harder to find the disk behind the fence and air conditioner.

[Photos:]
photoCloseup of disk
Not a great shot but it was taken from between the fence slats.
photoPhoto was taken over the top of the fence
photoDisk is on the wall behind the fence

This one is not easy to spot anymore. It is behind an A/C unit in a fenced in area.

[Photos:]
photo 65

Found as described, but partially blocked by a new a/c unit. Handheld coordinates are N39-18.946 W074-35.796.

[Photos:]
photoJU0359 BMDisk H65
photoJU0359 in Somers Point, Atlantic Co., NJ
Looking north at the south corner of the school, the disk is in the wall, just above the white notebook near the a/c unit, right-center.

Documented History (by the NGS)

01/01/1964 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1964 AT SOMERS POINT. AT SOMERS POINT, 0.05 MILE NORTHWEST ALONG NEW YORK AVENUE FROM THE SOMERS POINT POST OFFICE, AT THE NEW YORK AVENUE SCHOOL, SET VERTICALLY IN THE SOUTHEAST FACE OF THE BRICK WALL AT THE SOUTH CORNER OF THE SCHOOL BUILDING, 127 FEET NORTHWEST OF THE NORTHWEST CURB OF FIRST STREET, 47 FEET NORTHEAST OF THE NORTHEAST CURB OF NEW YORK AVENUE, 1.0 FOOT NORTHEAST OF THE SOUTH CORNER OF THE BUILDING AND ABOUT 3.0 FEET ABOVE THE CONCRETE SIDEWALK THAT IS AROUND THE BUILDING.
01/01/1979 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1979 RECOVERED IN GOOD CONDITION.
01/01/1983 by LOCSUR (GOOD)
RECOVERY NOTE BY LOCAL SURVEYOR (INDIVIDUAL OR FIRM) 1983 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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