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Details for Benchmark: PE1906

N 44° 19.458 W 068° 17.792 (NAD 83)

Altitude: 853

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

Location:
In HANCOCK county, ME View Original Datasheet
Designation:
BROWN MOUNTAIN 1870
Marker Type:
NGS Benchmark
Setting:
setting not listed - see description
Stability:
Mark of questionable or unknown stability.

Reference Points

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LisaS and I found this one. Amazing how close the GPSr was.

[Photos:]
photoWithin 1 foot
photoThe cairn

Please see the complete recovery, including text and photos, at my website: [b][url=http://surveymarks.planetzhanna.com/surveymarks/pe1906/]PE1906 - BROWN MOUNTAIN 1870[/url][/b].

Zhanna

This entry was edited by Zhanna on Friday, 07 December 2012 at 03:10:26 UTC.

as stated

Documented History (by the NGS)

1/1/1870 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1870 (GAF) ON THE MOUNTAIN OF THAT NAME, LOCATED ON THE E SIDE OF SOMES SOUND AND ABOUT HALFWAY UP. THE STATION IS ON A RIDGE NEAR THE CENTER OF THE MOUNTAIN AND ABOUT 100 YARDS W OF THE HIGHEST PEAK. A SHORT DISTANCE TO THE SOUTHWARD OF THE STATION, THERE IS A LARGE BOULDER CLEFT IN THE MIDDLE AND ON THE NEXT PEAK THERE IS A LARGE PILE OF ROCKS. THE STATION MARK IS A COPPER BOLT SET IN A HOLE IN A ROCK.
1/1/1934 by CGS (SEE DESCRIPTION)
RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1934 (KGC) STATION RECOVERED AS DESCRIBED. THE ORIGINAL COPPER BOLT WAS LEFT IN PLACE AS THE STATION MARK AND 2 REFERENCE MARKS, STANDARD BRONZE DISKS WEDGED IN DRILL HOLES IN OUTCROPPING BEDROCK, WERE INSTALLED. TO REACH THE STATION FROM ELLSWORTH, GO W ON HIGHWAY 3 TO JUNCTION WITH HIGHWAY 198 THEN FOLLOW HIGHWAY 198, 7.4 MILES TO THE BROWN MOUNTAIN TRAIL WHICH LEAVES THE ROAD JUST S OF A STONE CULVERT OVER A SMALL STREAM, FOLLOW TRAIL SW ABOUT 0.8 MILE TO STATION.
1/1/1944 by CGS (SEE DESCRIPTION)
RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1944 (FLP) STATION AND REFERENCE MARKS RECOVERED IN GOOD CONDITION AS DESCRIBED BY K.G.C. IN 1934. DISTANCE TO REFERENCE MARKS WERE CHECKED AND THE FOLLOWING DISTANCES WERE OBTAINED. REFERENCE MARK 1 IS 3.080 METERS AND REFERENCE MARK 2 IS 4.895 METERS. THE DISTANCES GIVEN IN 1934 APPEAR TO BE THE SLOPE DISTANCE.

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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