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Details for Benchmark: KV1266

N 40° 57.283 W 074° 44.183 (NAD 83)

Altitude: 779.85

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

Location:
In SUSSEX county, NJ View Original Datasheet
Designation:
B 15
Marker Type:
bench mark disk
Setting:
in rock outcrop
Stability:
Most reliable and expected to hold position/elevation well.

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Found this one after getting caught in a brief rain storm.

[Photos:]
photoKV1266 B 15

Found it.®

Found with holograph's coordinates. There's a lot of poison ivy here!

[Photos:]
photoKV1266 Byram Sussex NJ Close Up
photoKV1266 Byram Sussex NJ View Southwest

N 40°57.290 W 74°44.198 This mark is in the top of an outcrop in a small copse of trees. The NGS datasheet has updated 2001 recovery notes that are helpful in finding it. The barricade is at the end of the small Park N' Ride lot off Rt 206. The railroad is now a rail trail.

[Photos:]
photoKV1266 Benchmark
photoKV1266 Setting, Cranberry Lake, NJ
The trees on the rock outcrop at the west end of the barricade.
photoKV1266 Setting, Cranberry Lake, NJ
Position of the mark in the trees.

Documented History (by the NGS)

01/01/1933 by CGS (MONUMENTED)
01/01/1934 by CGS (MARK NOT FOUND)
DESCRIBED BY COAST AND GEODETIC SURVEY 1934 AT CRANBERRY LAKE. AT CRANBERRY LAKE, SUSSEX COUNTY, ON THE DELAWARE, LACKAWANNA AND WESTERN RAILROAD, 19 RAILS SOUTH OF MILEPOST MB 53, 8 RAILS NORTH OF A SUSPENSION FOOTBRIDGE, 10 YARDS WEST OF THE WEST RAIL, IN THE TOP OF A LARGE ROCK OUTCROP, AND ABOUT 4 FEET HIGHER THAN THE RAIL. A STANDARD DISK, STAMPED B 15 1933. NOTE-- THE DELAWARE, LACKAWANNA AND WESTERN RAILROAD IS NOW THE ERIE LACKAWANNA RAILROAD. THE ERIE RAILROAD IS NOW THE ERIE LACKAWANNA RAILROAD.
01/01/1972 by NJGS (MARK NOT FOUND)
RECOVERY NOTE BY NEW JERSEY GEODETIC SURVEY 1972 MARK NOT FOUND.

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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