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Details for Benchmark: QH0544

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N 45° 03.791 W 071° 09.826 (NAD 83)

Altitude: 3360

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

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

Reference Points

Nearest

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Didn 9/5/2009 royswkr couldn't find QH0544 (NGS Benchmark)   Visit Log
Didn't look vary hard as GPS was hopping and data inconsistent. In description it says tower was moved 250', but RM which is under new tower was 358' away. Both USGS map and description say BM was not on W bump but 50' W. Probably taping the distance from new tower is the best way to find this one, along with metal detector as whole area is overgrown with moss and small trees.


[This entry was edited by royswkr on Wednesday, September 09, 2009 at 7:20:16 AM.]

Didn 10/6/2006 Papa-Bear-NYC couldn't find QH0544 (NGS Benchmark)   Visit Log
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: (visit link)
And here's a set of photo albums: (visit link)

This mark was a USGS triangulation disk set under the center of the fire lookout tower in 1925. The tower was built in 1916 but was replaced by another tower about 250 feet east in 1926. The present tower was built in 1937 at the easterly location. The description implies that the 1926 tower was already under construction when the mark was set.

I could find no remnants of the old tower. There is a slight rise about 250 feet from the present tower and my GPS indicated that this was the location of the station, but no concrete footings, abandoned steel beams, steps, etc. were found. The area was heavily vegetated and there is no hint that a tower had ever stood on that spot.

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

Photos:
photoQH0544 "MAGALLOWAY" NOT FOUND, Pittsburg, NH
The current tower. This is about 250' east of the old tower where the station was located.
photoQH0544 "MAGALLOWAY" NOT FOUND, Pittsburg, NH
General area where the old tower stood.

Documented History (by the NGS)

1/1/1925 by USGS (MONUMENTED)
DESCRIBED BY US GEOLOGICAL SURVEY 1925 IN SE. PART OF PITTSBURG TOWNSHIP, ABOUT 3.5 MI SE. OF FIRST CONNECTICUT LAKE, ON TOP OF MT. MAGALLOWAY. THE TOP OF MOUNTAIN IS BROAD AND WOODED WITH SEVERAL SLIGHT RISES. A FIRE WARDENS TOWER STANDS ABOUT 50 FT W. OF WESTERNMOST EMINENCE. THE TOWER AFFORDS A GOOD VIEW NW. AND S., THE MOUNTAIN IS BEST REACHED FROM CONNECTICUT LAKE BY TRAIL FROM THE DAM ABOUT 8.0 MI TO SUMMIT OR BY BOAT TO SOUTH BAY, THENCE BY TOTE RD. TO ITS CROSSING OF ABOVE TRAIL, THENCE BY TRAIL TO SUMMIT. (DISTANCE TO WALK ABOUT 5 MI.) STATION MARK, STANDARD DISK IN MOSS COVERED LEDGE UNDER CENTER OF LOOKOUT TOWER. REFERENCE MARK, CHISELED TRIANGLE IN DRILL HOLE 358.7 FT DISTANT, S 68 DEG 44 MIN E. (NEW TOWER MAY HAVE BEEN BUILT OVER THIS POINT)

Control Text

  • The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in May 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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