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Details for Benchmark: JU0489

N 39° 19.167 W 074° 35.483 (NAD 83)

Altitude: 26.01

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

Location:
In ATLANTIC county, NJ View Original Datasheet
Designation:
1834 NJGS
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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At the south corner of the Dairy Queen parking lot. The phone booth is gone but its concrete base is still there. The witness post is gone, too.

[Photos:]
photo1834 (JU0489)
Looking south from Dairy Queen parking lot. The square concrete slab is the old phone booth base.
photo1834 (JU0489)
Looking northeast on Shore Road
photo1834 (JU0489)
Closeup

Still in the stated location, now at the base of a new fence in the parking lot of the Somers Point Dairy Queen, located at the corner of Shore Road and Maryland Avenue. Covered with less than 1 of sand, it was an easy find.

[Photos:]
photoSurvey Disk 1834 Somers Point NJ

Documented History (by the NGS)

Unknown by NJGS (MONUMENTED)
01/01/1964 by CGS (GOOD)
DESCRIBED BY COAST AND GEODETIC SURVEY 1964 AT SOMERS POINT. AT SOMERS POINT, ABOUT 0.55 MILE NORTHEAST ALONG SHORE ROAD FROM THE SOMERS POINT CITY HALL, NEAR THE INTERSECTION OF SHORE ROAD AND MARYLAND AVENUE, 8.0 FEET NORTHWEST OF THE NORTHWEST CURB OF SHORE ROAD, 145 FEET SOUTHWEST OF THE CENTER LINE OF MARYLAND AVENUE, 1.0 FOOT NORTHWEST OF THE NORTHWEST EDGE OF THE SIDEWALK, 2.5 FEET SOUTH OF THE SOUTH CORNER OF CONCRETE BASE OF A TELEPHONE BOOTH, 7 FEET WEST OF POWER POLE NO. 11, ABOUT 0.5 FOOT ABOVE THE LEVEL OF THE ROAD AND SET IN THE TOP OF A CONCRETE POST THAT IS ABOUT 1 INCH UNDERGROUND.
01/01/1979 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1979 THE MARK IS 1 FT E FROM A WITNESS POST.

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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