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Details for Benchmark: QH0415

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N 45° 16.503 W 070° 54.920 (NAD 83)

Altitude: 2254

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

Location:
In OXFORD county, ME View Original Datasheet
Designation:
MON 460 IBC
Marker Type:
NGS Benchmark
Setting:
setting not listed - see description
Stability:
May hold, but of type commonly subject to surface motion.

Reference Points

Nearest

Navigation

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Found it 8/23/2006 Papa-Bear-NYC found QH0415 (NGS Benchmark)   Visit Log
I just got back from a 5 day hiking trip to the Boundary Range - the ridge line that forms thr border between the US and Canada alnong New Hampshire and western Maine. The area is very remote and the only passage in most parts of the area is over dirt logging roads. I drove up Wednesday and crossed over to Woburn Quebec which is a few miles past the Coburn Gore Maine border crossing, where US Route 27 crosses into Canada. I hiked Wednesday afternoon, Thursday and Friday from the Canadian side and then Friday night crossed into Pittsburg New Hampshire where US Route 3 terminates. Saturday morning I was met by a friend and spent Saturday and Sunday morning hiking from the US side.

All of the benchmarks were on or near the border. There were a series of boundary monuments (set in 1845) and a few triangulation stations set by the boundary commision when they did a triangulation of this section in 1915 - 1916.

This station is a boundary monument is on the border near an old border station accessible from a park, "Zec Gosford", in Woburn Quebec. The monument is a couple of miles south of Mont Gosford. The crossing must originally have been for logging traffic and the old crossing road was quite overgrown.

The monument is the standard for this area, a cast iron post set in a concrete foundation. It was in a boggy spot and you could sink up to your knees in mud if you weren't careful.

Logged as "recovered in good condition" with the NGS on 8/29/2006.

Photos:
photoQH0415 "MON 460 IBC" area, Maine/Quebec border
The old Customs station sign, long abandoned, where an old logging road crossed the border
photoQH0415 "MON 460 IBC", Maine/Quebec border
Distance view of the monument looking west along the boundary swath.
photoQH0415 "MON 460 IBC", Maine/Quebec border
photoQH0415 "MON 460 IBC", Maine/Quebec border
Closeup of the base showing the monument number.

Documented History (by the NGS)

1/1/1845 by IBC (MONUMENTED)
DESCRIBED BY INTERNATIONAL BOUNDARY COMMISSION 1845 CAST - IRON POST, 6 FEET LONG, WHICH IS NOW SET IN A CONCRETE BASE 3 FEET SQUARE WITH THE TOP OF THE CAST - IRON POST RISING 3 FEET ABOVE THE SURFACE OF THE BASE.
1/1/1976 by IBC (GOOD)
RECOVERY NOTE BY INTERNATIONAL BOUNDARY COMMISSION 1976 (HGD) STATION RECOVERED IN GOOD CONDITION.

Control Text

  • The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1998. No horizontal observational check was made to the station.
  • 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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