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Details for Benchmark: KV0124

N 40° 49.267 W 074° 07.600 (NAD 83)

Altitude: 36.58

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

Location:
In BERGEN county, NJ View Original Datasheet
Designation:
WEST USE
Marker Type:
NGS Benchmark
Setting:
setting not listed - see description
Stability:
Probably hold position/elevation well.

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Found it.® Don't know how I let the dolphin talk me into these things!

Since Route 21 was built along the west shore of the Passaic River, access is very difficult! We parked on Century Drive in the Delawanna section of Clifton, hiked under the Route 21 bridge over Yantacaw River, Up the east side of Route 21, and up the railroad embankment. We really wanted to find KV4188 PCR 54 USE 1933, a 'U.S. Harbor Line' disk, but like the on on the east side fo the river, it was missing. All we found was the stem. Oh, well.
As listed, on the southwest end of the top of the northwest brownstone abutment. Had to remove a bit of ballast to find disk.

[Photos:]
photoKV0124 Clifton Passaic NJ Close up
Stem of KV4188 visible.
photoKV0124 Clifton Passaic NJ View east

Documented History (by the NGS)

01/01/1933 by DOD (MONUMENTED)
01/01/1934 by CGS (GOOD)
DESCRIBED BY COAST AND GEODETIC SURVEY 1934 AT LYNDHURST. AT LYNDHURST, BERGEN COUNTY, 0.3 MILE WEST ALONG THE DELAWARE, LACKAWANNA AND WESTERN RAILROAD FROM THE STATION, AT THE WEST END OF THE BRIDGE OVER PASSAIC RIVER, AND IN THE TOP OF THE SOUTH CAPSTONE OF THE WEST ABUTMENT. A 1-3/4-INCH ROUND CASTING, LETTERED U.S.E.D. H.L. STA. NOTE-- THE DELAWARE, LACKAWANNA AND WESTERN RAILROAD IS NOW THE ERIE LACKAWANNA RAILROAD. THE ERIE RAILROAD IS NOW THE ERIE LACKAWANNA RAILROAD.

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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