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Details for Benchmark: QH0408

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N 45° 16.855 W 070° 55.288 (NAD 83)

Altitude: 2539

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

Location:
In OXFORD county, ME View Original Datasheet
Designation:
SMITH IBC
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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Found it 8/23/2006 Papa-Bear-NYC found QH0408 (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 tringulation station about 1 half mile along the border from Monument No. 460 at the top of a hill. It is located about 70 feet west of the border in the woods on the US side. The area has a number of old birch trees with open understory. The disk was mounted on a bolder and was readily visuible when I approached it.

"SMITH" was probably the name of one of the surveyors. It has no local significance that I am aware of.

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

Photos:
photoQH0408 "SMITH IBC" area, Maine/Quebec border
The boulder with the station is just past the birch tree.
photoQH0408 "SMITH IBC" area, Maine/Quebec border
View of the boulder. The disk is just visible through the vegetation.
photoQH0408 "SMITH IBC", Maine/Quebec border
The disk on the boulder.
photoQH0408 "SMITH IBC", Maine/Quebec border

Documented History (by the NGS)

1/1/1916 by IBC (MONUMENTED)
DESCRIBED BY INTERNATIONAL BOUNDARY COMMISSION 1916 (JH) IN TOWNSHIP 4, RANGE 6, ON THE HIGH BOUNDARY HILL, 2-1/4 MILES NORTHWEST OF ARNOLD BOG AND ONE - HALF MILE WEST OF ARNOLD RIVER AND ABOUT MIDWAY BETWEEN MONUMENTS 460 AND 461. THE STATION IS ON THE HIGHEST POINT OF THE HILL ABOUT 70 FEET NORTHWEST OF THE BOUNDARY. STATION MARK--A BRONZE DISK CEMENTED IN A DRILL HOLE IN A ROCK. MONUMENT 460 - 10 IS 150.81 FEET DISTANT, S 21 DEG 57 MIN W, FROM THE STATION.
1/1/1941 by IBC (GOOD)
RECOVERY NOTE BY INTERNATIONAL BOUNDARY COMMISSION 1941 (FHB) 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.
  • 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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