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Details for Benchmark: LY0728

N 41° 21.650 W 074° 41.067 (NAD 83)

Altitude: 431.05

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

Location:
In ORANGE county, NY View Original Datasheet
Designation:
NEVERSINK
Marker Type:
bench mark disk
Setting:
retaining walls, concrete ledge, etc.
Stability:
May hold, but of type commonly subject to surface motion.

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This rive is so placid by the time it make it this far downstream.

Found using Harry Dolphin's coordinates. Thanks for posting them!

Observed mark while gridlocked in the intersection enroute to TriState cache...

N 41° 21.650 W 074° 41.127

Found by description.

[Photos:]
photoLY0728 Port Jervis Orange NY Close Up
photoLY0728 Port Jervis Orange NY View NW
photoLY0728 with GPS and Coords

Found this with Thea101 and tmwolfe6. i havent found many benchmarks before. it is very interesting.

Found with Thea101 and Nadiasmirnoff. nice day but coordinates off. other pictures helped.

[Photos:]
photoLY0728- Bridge at Port Jervis

Very easy to find. Good condition.

Thanks to previous pictures, this one was easy to find. Traffic was light so it was even easier.

Easily found from description, though paint and tape are no longer prominent.

[Photos:]
photoCloseup of station NEVERSINK, Port Jervis, NY
photoMedium view of station NEVERSINK, Port Jervis, NY
photo1929 Neversink River Bridge with station NEVERSINK at arrow

#4 of 15 for the day. Nice easy one.

#11 Well marked as described by Zhanna.

[Photos:]
photoBenchmark
photoThe River Fall 2002

LY0728 recovered as described and in good condition. . . . patrick & shirley

[Photos:]
photoLY0728 bridge
Photo taken at 320 degrees from stop light at the intersection. Mark is embedded in the bridge abutment at the far side of the road, in the lower left of the photo.
photoLY0728, Neversink, 1933, elev 431.823 feet
Mark was partially covered with sod debris. It was cleared of debris but no attempt was made to clean it. Baking soda was used to increase photographic contrast of the etching.
N 41° 21.661 W 074° 41.105

This benchmark was an easy find; not only was there fluorescent pink paint surrounding the marker, but there was also pink tape just above the marker on the guard rail and on the bridge. The heavy volume of traffic made it challenging enough just getting to the location. The coordinates seem to be slightly off, but the description is adequate. The marker is in good condition; I wish I could've cleaned it off a little better for the photo, but I felt that the traffic was a little too close and I didn't want to spend too much time in this spot. It's neat to think that this marker may have been used relatively recently.

Zhanna

[Photos:]
photoLY0278, Orange County, NY
photoSitting at LY0728 looking northwest...
photoSitting at LY0728 looking southeast...

Documented History (by the NGS)

01/01/1933 by CGS (MONUMENTED)
01/01/1941 by NGS (GOOD)
DESCRIBED BY NATIONAL GEODETIC SURVEY 1941 AT PORT JERVIS. AT PORT JERVIS, ORANGE COUNTY, ON EAST MAIN STREET, AT THE SINGLE-SPAN STEEL BRIDGE OVER NEVERSINK RIVER, IN THE TOP OF THE SOUTH CONCRETE BACK WALL, 6 FEET NORTHEAST OF THE SOUTHWEST END, 15 FEET SOUTHWEST OF THE CENTERLINE OF MAIN STREET, AND LEVEL WITH THE GRADE OF THE STREET. A STANDARD DISK, STAMPED 431.623 NEVERSINK 1933.
01/01/1941 by LOCSUR (GOOD)
RECOVERY NOTE BY LOCAL SURVEYOR (INDIVIDUAL OR FIRM) 1941 RECOVERED IN GOOD CONDITION.
01/01/1973 by NJGS (GOOD)
RECOVERY NOTE BY NEW JERSEY GEODETIC SURVEY 1973 RECOVERED IN GOOD CONDITION.
01/01/1986 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1986 (JBC) RECOVERED IN GOOD CONDITION.
06/07/1995 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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