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Details for Benchmark: AB8761

N 39° 45.043 W 074° 35.107 (NAD 83)

Altitude: 58

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

Location:
In BURLINGTON county, NJ View Original Datasheet
Designation:
BC 04
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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The disk is buried under about 4 inches of sandy soil. I found the bolt in the old foundation and the tree by the other old foundation but couldn't find the PK nail that was supposed to be in the tree. It's only 3.1 miles from the Carranza Memorial Monument, not 13.1 miles as it says in the description.

[Photos:]
photoAB8761
Closeup of disk
photoAB8761
One of the old foundations in the background
photoAB8761
Looking south on East Sandy Ridge Road from its intersection with Carranza Road and Friendship-Speedwell Road
N 39° 45.043 W 074° 35.108

This station is located in the Ghost Town of Friendship NJ. The former residents of this town pioneered Cranberry growing.

[Photos:]
photoStation BC 04
Station BC 04
photoStation BC 04
Standing View
photoStation BC 04
Looking North to Carranza Road

Documented History (by the NGS)

01/01/1995 by OMEGA (MONUMENTED)
DESCRIBED BY OMEGA ENGINEERING SERVICES 1995 (MPM) THE STATION IS LOCATED APPROXIMATELY 28 MI (45.1 KM) NORTH NORTHWEST OF ATLANTIC CITY, NEW JERSEY IN THE TOWN OF FRIENDSHIP, WASHINGTON TOWNSHIP ON THE WEST SIDE OF EAST SANDY RIDGE ROAD. THIS STATION IS ALSO 13.3 MI (21.4 KM) SOUTH OF THE CARRANZA MEMORIAL MONUMENT. TO REACH THE STATION FROM THE INTERSECTION OF NEW GRETNA-CHATSWORTH ROAD (A.K.A. GREENBANK-CHATSWORTH ROAD) , COUNTY ROAD 563 AND SPEEDWELL ROAD, GO RIGHT (WEST) ON SPEEDWELL ROAD 2.5 MI (4.0 KM) TO THE INTERSECTION WITH CARRANZA ROAD AND EAST SANDY RIDGE ROAD (UNPAVED ROADS) . TURN LEFT (SOUTH) ON EAST SANDY RIDGE ROAD AND GO 150.0 FT (45.7 M) TO THE STATION ON YOUR RIGHT SET FLUSH WITH THE GROUND. THE STATION IS 14.0 FT (4.3 M) WEST OF THE CENTERLINE OF EAST SANDY RIDGE ROAD, 76.7 FT (23.4 M) NORTH NORTHWEST FROM A PK NAIL SET IN A TREE NEXT TO THE REMAINS OF AN OLD FOUNDATION AND 91.3 FT (27.8 M) EAST FROM A BOLT SET AT THE NORTHEAST CORNER OF THE REMAINS OF ANOTHER OLD FOUNDATION.

Control Text

  • The horizontal coordinates were established by GPS observations and adjusted by the National Geodetic Survey in May 1999.
  • The orthometric height was determined by GPS observations and a high-resolution geoid model.
  • The X, Y, and Z were computed from the position and the ellipsoidal ht.
  • The Laplace correction was computed from DEFLEC99 derived deflections.
  • The ellipsoidal height was determined by GPS observations and is referenced to NAD 83.
  • The geoid height was determined by GEOID99.

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