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Details for Benchmark: PN0197

N 44° 08.333 W 088° 09.600 (NAD 83)

Altitude: 839.16

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

Location:
In CALUMET county, WI View Original Datasheet
Designation:
N 91
Marker Type:
bench mark disk
Setting:
light structures
Stability:
Mark of questionable or unknown stability.

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Recovered in good condition. Easy to find.

[Photos:]
photoPN0197 N 91

Found as described and recovered in good condition.

An easy find after some tough and rewarding finds. This is a neat building.

[Photos:]
photoclose up PN0197 - Calumet County, WI
photomedium PN0197 - Calumet County, WI

Documented History (by the NGS)

1/1/1934 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1934 AT HILBERT. AT HILBERT ALONG EAST MAIN STREET AT HILBERT STATE BANK, 120 FEET WEST OF MILWAUKEE RAILROAD. SET VERTICALLY IN SANDSTONE BLOCK, 4 FEET WEST OF WEST SIDE OF NORTH ENTRANCE, 3 1/2 FEET ABOVE SIDEWALK.
4/29/1995 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1995 RECOVERED IN GOOD CONDITION.

Control Text

  • The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds.
  • The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991.
  • The geoid height was determined by GEOID99.
  • The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.).
  • The modeled gravity was interpolated from observed gravity values.

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