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Details for Benchmark: LY1533

N 41° 06.383 W 075° 50.683 (NAD 83)

Altitude: 1249.5

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

Location:
In LUZERNE county, PA View Original Datasheet
Designation:
E 228
Marker Type:
bench mark disk
Setting:
massive structures
Stability:
Probably hold position/elevation well.

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On an orange bridge just before the junction of Route 437 on Honey Hole Road

[Photos:]
photoIMG_1613
photoIMG_1614

Orange paint really seems to be holding up! :-)

[Photos:]
photoLY1533

Logged this one on my way home from White Haven at night. The orange railings are easy to spot.
-Brub2

Had to move dirt off of the mark with my feet...

[Photos:]
photomark
N 41° 06.391 W 075° 50.714

This benchmark disk was found as described set in the southeast corner of the east abutment of the concrete bridge that carries County Road 41/Honey Hole Road over Conety Run. Blacktop Road 40040 is now PA Route 437. The disk has been covered by the same orange paint that coats the pipe railing of the bridge, but the stamping is exposed and legible and the disk is in good condition.

[i]An official report on the condition of this mark has been submitted to NGS.[/i]

Zhanna

[Photos:]
photoLY1533, Luzerne County, PA
photoEye-level view of the mark ...
photoLooking west along the south bridge railing and County Road 41.
N 41° 06.393 W 075° 50.715

[b]Recovered in good condition.[/b]

This second order vertical control station is located on the top surface of a concrete base for a steel pipe railing near the easternmost end of the south abutment of a concrete bridge over Conety Run, approximately 0.4 miles west along County Road 41 from the intersection of PA Rt. 437. The historical description leads reliably to the station. At the station a Garmin GPSmap76 receiver with remote active antenna was used to record autonomous (non-corrected) coordinates which were 159 feet from the scaled coordinates listed on the NGS datasheet. The disk is in good condition but has been painted over. The stamped designation is partially exposed and legible. ~Rich in NEPA~

[Photos:]
photoLY1533, “E 228 1959,” Luzerne County, PA
photoGPSr and the station mark.
photoEyelevel view of station mark and surroundings.
photoOrientation view, facing west along County Road 41.
photoOrientation view, facing east along County Road 41.

Documented History (by the NGS)

1/1/1959 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1959 5.2 MI N FROM WHITE HAVEN. 4.75 MILE NORTH ALONG BLACKTOP ROAD 40040 FROM THE SCHOOL HOUSE AT WHITE HAVEN THENCE WEST ALONG A BLACKTOP ROAD FOR 0.4 MILE, SET IN TOP OF THE SOUTHEAST MOST BANISTER POST ON THE EAST ABUTMENT OF A 18 FOOT BRIDGE OVER A CREEK, 15 FEET SOUTH OF THE CENTERLINE OF THE ROAD AND 1 FOOT ABOVE THE ROAD.

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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