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Details for Benchmark: LY0827

N 41° 13.783 W 074° 45.000 (NAD 83)

Altitude: 780.17

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

Location:
In SUSSEX county, NJ View Original Datasheet
Designation:
T 34
Marker Type:
bench mark disk
Setting:
massive structures
Stability:
Probably hold position/elevation well.

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Found it.®

[Photos:]
photoHeron on dam of Lake Wapalanne

Found by description.

[Photos:]
photoLY0827Sandyston Sussex NJ Close Up
photoLY0827 Sandyston Sussex NJ View Southwest

Easily located. Stone bridge constructed by CCC in 1933-1941 and still in good condition. Updated the coordinates to an averaged EPE of 14.2 feet as N41 13.777 W074 45.045. A very pleasant excursion! . . . . patrick & shirley

[Photos:]
photoBridge. Disc is at far end of near side of bridge
photoLY0827 disc

Documented History (by the NGS)

01/01/1942 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1942 9.5 MI SW FROM COLESVILLE. 4.2 MILES SOUTHWEST ALONG THE COLESVILLE TO BEEMERVILLE GRAVEL ROAD FROM THE POST OFFICE AT COLESVILLE, THENCE 1.7 MILES SOUTHWEST ALONG A NARROW GRAVEL ROAD, THENCE 0.7 MILE NORTHWEST ALONG AN OLD ABANDONED ROAD, THENCE 1.9 MILES NORTHWEST ALONG CRIGGER ROAD, THENCE 1.0 MILE SOUTHWEST ALONG SKELLINGER ROAD, IN STOKES STATE FOREST, ABOUT 0.1 MILE NORTHEAST OF A C.C.C. CAMP, AT THE NORTHWEST END OF SKELLINGER LAKE, AT A STONE AND CONCRETE BRIDGE. A STANDARD DISK, SET IN THE TOP OF THE EAST CORNER OF THE NORTHWEST CONCRETE HEAD WALL, AND 10 FEET NORTHWEST OF THE CENTER LINE OF THE ROAD.
01/10/1995 by NJGS (GOOD)
RECOVERY NOTE BY NEW JERSEY GEODETIC SURVEY 1995 (ECB) RECOVERED AS DESCRIBED.

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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