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Details for Benchmark: LY2267

N 41° 04.883 W 074° 08.467 (NAD 83)

Altitude: 382.6

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

Location:
In BERGEN county, NJ View Original Datasheet
Designation:
D 103
Marker Type:
vertical control disk
Setting:
stainless steel rod
Stability:
Probably hold position/elevation well.

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I parked on the side of Industrial Avenue, a short distance from the benchmark. There was a piece of turf over the PVC pipe but it was very easy to figure out where I needed to dig to uncover the pipe. The top of the PVC pipe was not screwed on and I don't think it can be screwed on as long as there is dirt clogging up the groove. I dusted off enough of the survey disk to see the designation code.

[Photos:]
phototop of PVC pipe
photobenchmark

Found it.®

Found fairly easily. Four feet from the pole. The PVC cap was not screwed on. It came off with my trowel. I did have to dig a bit.

[Photos:]
photoLY2267 Mahwah Bergen NJ Close Up
photoLY2267 Mahwah Bergen NJ Looking Down
photoLY2267 Mahwah Bergen NJ View Southwest
Along north side of Industrial Avenue

This mark is about 3 feet from a newer pole and is under a plastic pipe cap. I did not have a wrench to remove the cap on this visit.

[Photos:]
photoLY2267 "D 103", Bergen County, NJ cap
photoLY2267 "D 103", Bergen County, NJ Location
The pole is new and probably was put in beside the old pole. The mark is a bit further away.

Documented History (by the NGS)

01/01/1979 by NGS (MONUMENTED)
DESCRIBED BY NATIONAL GEODETIC SURVEY 1979 0.7 MI NORTH FROM RAMSEY. 0.7 MILE NORTH ALONG FRANKLIN TURNPIKE FROM THE MAIN ENTRANCE TO DON BOSCO HIGH SCHOOL AT RAMSEY, 2.4 MILES SOUTH OF THE JUNCTION OF STATE ROUTE 59 AT SUFFERN, AT THE NORTH CORNER OF THE T-JUNCTION OF INDUSTRIAL AVENUE, 60.5 FEET WEST OF THE TURNPIKE CENTER LINE, 52.0 FEET NORTH OF THE AVENUE CENTER LINE, 16.0 FEET SOUTHWEST OF THE SOUTHWEST CORNER OF A 6 BY 6-FOOT FLUSH CONCRETE SLAB, 2.0 FEET EAST OF POWER POLE 10089. THE MARK IS 1 FT W FROM A WITNESS POST. THE MARK IS ABOVE LEVEL WITH TURNPIKE.
01/01/1989 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1989 (HK) RECOVERED IN GOOD CONDITION.
01/31/1992 by NJGS (GOOD)
RECOVERY NOTE BY NEW JERSEY GEODETIC SURVEY 1992 (RJK) 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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