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Details for Benchmark: QH0543

N 45° 12.224 W 071° 03.810 (NAD 83)

Altitude: 3297

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

Location:
In OXFORD county, ME View Original Datasheet
Designation:
RUMP IBC
Marker Type:
survey disk
Setting:
in rock outcrop
Stability:
Most reliable and expected to hold position/elevation well.

Reference Points

Must Read!

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The mark was not found.

Over the Columbus weekend I headed up to northern New Hampshire for some hiking, benchmarking and a bit of sight seeing. All the recovered marks (and all but one of the Not Founds) were boundary markers of one sort or another. Some were state boundary markers, some were US-Canada boundary markers and some were IBC triangulation stations (used when the US-Canada border was surveyed in 1915-1916).

Here's a trip report: http://www.viewsfromthetop.com/forums/showthread.php?t=14525
And here's a set of photo albums: http://gallery.backcountry.net/papabear_Oct_2006_NH

This mark was an IBC triangulation station disk set on bedrock at the highest point of Rump Mountain. I bushwhacked up to this peak with a friend about a mile from a logging road which runs east and south off of East Inlet Road in Pittsburg, NH. Once at the highest point, we found a hikers register tied to a tree and a pile of rocks underneath. The pile looked like it had been built and I carefully seached on and under all of the rocks in the pile, as well as others nearby. No obvious bedrock was found. No mark was found.

On the way to the peak we crossed the state line into Maine and searched for and recovered the Maine-New Hampshire Boundary Monument No. 118. Pictures are included for this non-NGS mark.

[i]Logged with the NGS as "Not recovered, not found" on 10/12/2006[/i]

[Photos:]
photoQH0543 "RUMP IBC" NOT FOUND,Parmachenee Twp, Maine
The hikers register at the high point of Rump Mountain.
photoQH0543 "RUMP IBC" NOT FOUND,Parmachenee Twp, Maine
Promising pile of rocks at the high point.
photoMaine-New Hampshire Boundary Monument No. 118
Maine-New Hampshire Boundary Monument No. 118 was recovered on the west slope of Rump Mountain on the way to the peak.
photoMaine-New Hampshire Boundary Monument No. 118

My notes show we found it by the register 9/8/90

Documented History (by the NGS)

01/01/1916 by IBC (MONUMENTED)
DESCRIBED BY INTERNATIONAL BOUNDARY COMMISSION 1916 (JH) IN TOWNSHIP 5, RANGE 5, ON RUMP MOUNTAIN (KNOWN ALSO AS CAMELS RUMP), OVER WHICH THE MAINE - NEW HAMPSHIRE LINE PASSES, AND ABOUT 7 MILES SOUTH OF MONUMENT 475, WHICH IS THE MAINE - NEW HAMPSHIRE CORNER. THE STATION IS LOCATED ON THE HIGHEST POINT OF THE HIGHEST PEAK OF THE MOUNTAIN. STATION MARK--A BRONZE DISK CEMENTED IN A DRILL HOLE IN OUTCROPPING ROCK.

Control Text

  • The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1998.
  • The orthometric height was scaled from a topographic map.
  • The Laplace correction was computed from DEFLEC99 derived deflections.
  • The geoid height was determined by GEOID99.

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