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Details for Benchmark: KV6613

N 40° 38.661 W 074° 24.502 (NAD 83)

Altitude: 139

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

Location:
In UNION county, NJ View Original Datasheet
Designation:
SC 197
Marker Type:
survey disk
Setting:
abutments and piers of large bridges
Stability:
Probably hold position/elevation well.

Reference Points

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Found it.®

Easy find by coordinates and description.

[Photos:]
photoKV6613 Scotch Plains Union NJ View Northwest
photoKV6613 Scotch Plains Union NJ Close Up

This was easy to find, and the quadrants were fine, I took a picture of the benchmark too, it was surrounded by an orange ring too, which made it stand out, nice area,
Sparkie48 June 27, 2005

[Photos:]
photobenchmark on Terrill rd, near bridge near sears
This is showing the orange color surrounding the bench mark in the sidewalk, easy to find, Sparkie48

Well, its a sad story really... The nice weather is here! Daylight savings too... so of course its natural to want to be outside DOING GEOCACHES! but 3 weeks ago i broke my foot, so im out of commission for a while. then i realized that to find the benchmarks i dont really have to hike. so today i found 3! i grabbed a friend and went out for a day of "benchmarking". i love geocaching, but this will have to do for now. i got to be outside, driving around with the windows down all day. it was nice.

Its still there :D

[Photos:]
photoLooking North
Arrow points to mark. Way in the background is the Mt. St Mary academy and the sister mark (KV6612)
photoMark
N 40° 38.666 W 074° 24.505

Found in good condition. My eTrex came up with slightly different coordinates, which I've listed here. You can almost make them out in the photo. Sorry for the quality; I'm still getting used to this digicam. (My first benchmark find!)

[Photos:]
photoKV6613

Documented History (by the NGS)

01/01/1990 by NJ-035 (MONUMENTED)
DESCRIBED BY SOMERSET COUNTY NEW JERSEY 1990 THE STATION IS LOCATED IN SCOTCH PLAINS BOROUGH, ON THE NORTHEAST SIDE OF TERRILL ROAD, ATOP THE NORTHEAST END OF THE SOUTHEAST ABUTMENT OF THE BRIDGE SPANNING GREEN BROOK, WHICH IS THE COUNTY LINE. TO REACH THE STATION FROM THE JUNCTION OF TERRILL ROAD AND U.S. HIGHWAY 22, IN WATCHUNG BOROUGH, GO 0.16 KM (0.10 MI) SOUTHEAST ON TERRILL ROAD TO GREEN BROOK AND THE STATION ON THE LEFT. IT IS 0.9 M (2.95 FT) NORTHEAST OF THE TERRILL ROAD CURBLINE, 11.6 M (38.06 FT) SOUTHEAST OF THE CENTER OF THE SPAN AND 8.25 M (27.07 FT) NORTH OF POLE E 63990 S. THE STATION IS LEVEL WITH THE SIDEWALK. DESCRIPTION BY NJGS RJK.

Control Text

  • The horizontal coordinates were established by GPS observations and adjusted by the National Geodetic Survey in May 1999.
  • The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.)
  • 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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