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Details for Benchmark: QH0265

N 45° 25.712 W 070° 38.214 (NAD 83)

Altitude: 3583

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

Location:
In FRANKLIN county, ME View Original Datasheet
Designation:
MON 411 IBC
Marker Type:
NGS Benchmark
Setting:
setting not listed - see description
Stability:
May hold, but of type commonly subject to surface motion.

Reference Points

Must Read!

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On Friday the 15th, Pierre, Kurt and I went after some peaks on the US-Canada boundary and some trailless peaks. These are called bush whacks and they may mean a walk through the woods, or they be be treks trrough impenatrable thickets and bogs. Todays bush whacks were on the easy side. Our goals were "West Caribou", Peak 411, Peak 410 (both on the boundary), "Bump" and "East Bump". Access was from Baudrey Road, a logging road off of route 27 about 20 miles north of Stratton. All told we had close to 10 miles of hiking on roads or the boundary, and a couple of miles of bushwhacks. A long day.

This boundary monument was directly east of West Caribou in Merrill Strip Maine (a fragment of a township along the border). It was in good condition.

[Photos:]
photoQH0265 "MON 411 IBC", Maine-Canada border
Kurt and Pierre check out the monument.
photoQH0265 "MON 411 IBC", Maine-Canada border
An IBC bench mark is mounted in the base of the monument. Although not in the NGS database, these bench marks were used by the USGS for map control.
photoQH0265 "MON 411 IBC", Maine-Canada border

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.
01/01/1967 by IBC (GOOD)
RECOVERY NOTE BY INTERNATIONAL BOUNDARY COMMISSION 1967 (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.
  • 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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