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Details for Benchmark: QH0360

N 45° 17.630 W 070° 50.133 (NAD 83)

Altitude: 3793

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

Location:
In FRANKLIN county, ME View Original Datasheet
Designation:
MON 443 IBC
Marker Type:
NGS Benchmark
Setting:
setting not listed - see description
Stability:
May hold, but of type commonly subject to surface motion.

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On Wednesday the 13th, Pierre, my hiking partner and I hiked Mont Gosford, Mont Belvedere and several peaks on the Maine-Canada boundary. We reached the area, which is near Woburn Quebec, via the trails of Sentiers Frontaliers in the Mont Gosford sector. Entrance to the area is via a gate house on the dirt road off of Route 212 about 5 miles south of Woburn.

The border swath is a 20 meters wide cleared path along the boundary. Boundary monunments were set in 1845 and occur about every mile or two and are numbered from east to west. The triangulation stations were set in 1915 when the boundary was surveyed via trangulation. Triangulation stations were on boundary peaks or on peaks up to several kilometers from the boundary on either side.

This monument was located where trail #1 from Mont Gosford meets the boundary swath. It is a the height of land of the boundary and is where the boundary makes a sharp angle to the west. The mounment is in good condition.

[Photos:]
photoQH0360 "MON 443 IBC", Maine-Canada border
photoQH0360 "MON 443 IBC", Maine-Canada border
photoQH0360 "MON 443 IBC", Maine-Canada border
a steep section of the boundary just south of the monument.

8/26/89 found while visiting Gosford (then trailless?) and bump just to W of marker

Documented History (by the NGS)

01/01/1845 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.
01/01/1975 by IBC (GOOD)
RECOVERY NOTE BY INTERNATIONAL BOUNDARY COMMISSION 1975 (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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