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Details for Benchmark: KV3863

N 40° 52.744 W 075° 47.861 (NAD 83)

Altitude: 1405

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

Location:
In CARBON county, PA View Original Datasheet
Designation:
NESQUE
Marker Type:
triangulation station disk
Setting:
in rock outcrop
Stability:

Reference Points

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Found all 3 of these mark on this beautiful fall day. The big rock really stands out. It has been painted again. Great view.

[Photos:]
photokv3863.JPG
photokv3863a.JPG
photokv3863b.JPG
photokv3863c.JPG
photokv3863d.JPG

Great view of town this morning.

N 40° 52.745 W 075° 47.860

In Jim Thorpe for a day of mountain biking with friends, Rich and I took a few hours to ourselves in the morning to recover some local benchmarks. We parked in a small gravel lot just off the road to the Carbon County Correctional Facility and adjacent to Route 93. We then walked northward along Route 93 less than 1/4 mile to the point where old Route 93 once intersected from the west, as was evident from little more than a high berm along the shoulder, some asphalt pieces, and an open area beyond.

With the beautiful view of the town of Nesquehoning as our background scenery, we searched the clearing for the azimuth mark. The chunks of asphalt that remained were of little help in determining the original route or size of old Route 93, so it was impossible to take any measurements from the road. No witness post was found at this site, so we had very little to go on. After a lengthy search, the mark was found in good condition atop a small outcropping boulder. We determined the location of the six-inch maple tree and were surprised to find that it is now a group of three trees, and the trunk of the largest bears red painted marks which appear to be surveyors' notations.

We followed the slight remnants of Old Route 93, still distinguishable but little more than a path, northwest toward the station. The white boulder mentioned in the description has now been painted a brilliant yellow-orange. We viewed it from the base of the rock pile and hiked the steep, slippery slope toward it. Fifteen feet from the boulder's base, ringed in yellow paint, we spotted the station mark set in outcropping bedrock. After a short search, the two reference marks were found in good condition as described.

[I]A report on the condition of the station mark, both reference marks, and the azimuth mark was submitted to NGS, along with the following description:[/I]

The station mark, reference marks 1 and 2, and the azimuth mark were recovered in good condition. Very little remains of old Route 93. The large white boulder has been painted yellow-orange and is visible from the base of the butte. The witness post was not found, and the six-inch maple tree is now a group of three maples surrounded by rocks at their base.

Zhanna

[Photos:]
photoKV3863, Carbon County, PA
photoEye-level view of the mark on the outcropping.
photoLooking WSW toward the yellow-orange boulder.

photoKV3863 RM1, Carbon County, PA
photoEye-level view of the mark on the outcropping.
photoLooking SE toward the yellow-orange boulder.
N 40° 52.745' W 075° 47.867'
photoKV3863 RM2, Carbon County, PA
photoEye-level view of the mark on the outcropping.
photoLooking SE toward boulder and station.
N 40° 52.752' W 075° 47.869'
photoKV3863 AZ MK, Carbon County, PA
photoEye-level view of the mark on the boulder.
photoLooking NE toward maple trees.
photoSurveyors' marks on maple tree.
N 40° 52.703' W 075° 47.492'
N 40° 52.744 W 075° 47.861

This second order horizontal triangulation station is located on a high butte formed from an immense rock pile between Route 93 and the remains of old Route 93, roughly ½ mile northbound along Route 93 from the entrance to the Carbon County Correctional Facility. The 1969 historical description leads reliably and easily to the station and all reference marks. It was possible to park in a gravel pull-off at the start of the prison entrance road, hike upward along the wide shoulder of Route 93 to the north end of the southbound guardrail and to a berm where old Route 93 once intersected. On the other side of the berm is a large grassy clearing overlooking the town of Nesquehoning. Sections of old macadam can be seen leading in a west-northwesterly direction and mostly parallel to Route 93. The azimuth mark is on the top of a small outcropping boulder near a cluster of scrubby pine trees. The 6-inch maple tree is now a group of three maples surrounded by rocks at the base of their trunks. There are red painted markings on the side of the largest tree trunk at eyelevel. The metal witness post no longer exists.

The station is roughly 1/3 mile further along the path following the remnants of old Route 93. The large white boulder is now painted bright yellow-orange and can be seen from the base of the rock pile butte. The top of the butte is reached by following along the south side of the base of the rock pile (counterclockwise) up to the east side of the rock pile nearest to and above the highway, then scrambling up the rocks a short distance. At the station a Garmin GPSmap76 receiver with active remote antenna was used to record WAAS-corrected coordinates which were zero feet from the adjusted coordinates listed on the NGS datasheet. RM2 is set close to the level of the ground and was obscured by a layer of duff. All marks including the azimuth are well exposed, in excellent condition, and the stamped designations are clearly legible. ~Rich in NEPA~

[Photos:]
photoKV3863, “NESQUE 1969,” Carbon County, PA.
photoGPSr and the station mark.
photoEye level view of station mark and surroundings.
photoOrientation view, facing west-southwest and the yellow boulder.
photoOrientation view, Zhanna at station. Mark indicated.
photoView of the orange-yellow boulder at south end of rock pile butte.

photoKV3863, “NESQUE No.1 1969.”
photoGPSr and the reference mark.
photoEye level view of reference mark and surroundings.
photoOrientation view, facing west-southwest and the yellow boulder.

photoKV3863, “NESQUE No. 2 1969.”
photoGPSr and the reference mark.
photoEye level view of reference mark and surroundings.
photoOrientation view, facing southeast. Yellow boulder indicated.

photoKV3863, "NESQUE 1969."
photoGPSr and the azimuth mark.
photoEye level view of azimuth mark and surroundings.
photoView of the maple trees, largest of which may be actual reference.
photoRed painted survey markings, may indicate original reference landmark.
photoOrientation view, facing north. Zhanna at azimuth mark.
photoOrientation view, facing northeast. Maple trees indicated.

Documented History (by the NGS)

1/1/1969 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1969 (WMJ) THE STATION IS LOCATED ON THE SOUTH END OF A ROCKY BUTTE ALONG THE WEST SIDE OF STATE HIGHWAY 93, 3 MILES WEST-NORTHWEST OF JIM THORPE, 4-1/2 MILES SOUTH-SOUTHWEST OF NESQUEHONING AND ON HIGHWAY PROPERTY. TO REACH THE STATION FROM THE JUNCTION OF U.S. HIGHWAY 209 AND STATE HIGHWAY 93 1-1/2 MILES EAST OF NESQUEHONING, NORTHERLY ON STATE HIGHWAY 93 FOR 1.1 MILES TO A SIDE ROAD LEFT (OLD HIGHWAY 93), TURN LEFT AND GO ON THE OLD HIGHWAY FOR 0.05 MILE TO THE AZIMUTH MARK ON THE LEFT, CONTINUE NORTHERLY ON THE OLD HIGHWAY FOR 0.3 MILE TO A LARGE ROCKY BUTTE ON THE RIGHT AND END OF TRUCK TRAVEL, PACK ABOUT 5 MINUTES TO THE SOUTH END OF THE BUTTE TO A LARGE WHITE BOULDER AND THE STATION AS DESCRIBED. THE STATION MARK IS A STANDARD DISK STAMPED NESQUE 1969, CEMENTED IN A DRILL HOLE IN OUTCROPPING BEDROCK FLUSH WITH THE GROUND SURFACE. IT IS 14.6 FEET EAST-NORTHEAST OF A LARGE WHITE BOULDER AND 20.0 FEET NORTH-NORTHEAST OF THE SOUTH END OF THE ROCKY BUTTE. REFERENCE MARK 1 IS A STANDARD DISK STAMPED NESQUE NO 1 1969, CEMENTED IN A DRILL HOLE IN OUTCROPPING BEDROCK. IT IS 24.0 FEET NORTHWEST OF THE LARGE WHITE BOULDER, 51.0 FEET WEST OF THE SOUTH END OF THE ROCKY BUTTE AND ABOUT THE SAME ELEVATION AS THE STATION MARK. REFERENCE MARK 2 IS A STANDARD DISK STAMPED NESQUE NO 2 1969, CEMENTED IN A DRILL HOLE IN OUTCROPPING BEDROCK. IT IS 69.0 FEET NORTHWEST OF THE LARGE WHITE BOULDER, 6.0 FEET SOUTHWEST OF THE NORTH EDGE OF THE ROCKY BUTTE AND ABOUT 1 FOOT HIGHER THAN THE STATION MARK. THE AZIMUTH MARK IS A STANDARD DISK STAMPED NESQUE 1969, CEMENTED IN A DRILL HOLE IN OUTCROPPING BEDROCK. IT IS 1.4 FEET WEST OF A METAL WITNESS POST AND MARKER, 54.0 FEET SOUTHWEST OF A 6-INCH MAPLE TREE AND 55.5 FEET SOUTH OF OLD HIGHWAY 93. HEIGHT OF LIGHT ABOVE STATION MARK 1.0 METER.

Control Text

  • The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in July 1986.
  • The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.)
  • The Laplace correction was computed from DEFLEC99 derived deflections.
  • The geoid height was determined by GEOID99.

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