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Details for Benchmark: OM0544

N 43° 37.633 W 089° 46.233 (NAD 83)

Altitude: 912.27

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

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

Must Read!

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This was a fun one. Yes the benchmark has been destroyed but the building was saved! The building has been moved to a location south of its original location at N43 37.536, W089 46.241. The building is in a public park directly behind the NEW Library completed just a couple years ago. Unfortunately the steps were replaced in the move so the benchmark is gone. Interesting note is that the historic landmark plaque is still on the building and claims that it was built at this new location! The old site has been taken over by an ugly building housing t-shirt shops and tacky tourist businesses.

[last edit: 4/19/2003 6:32:25 PM PST]

[Photos:]
photoLandmark Plaque
Please read this plaque as it is very interesting.
photoAnother View of the Library
photoThe Kilbourn Library c.1912

Documented History (by the NGS)

01/01/1934 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1934 AT WISCONSIN DELLS. SET IN THE NORTHEAST CORNER OF THE BOTTOM STEP OF THE FRONT (SOUTH) ENTRANCE TO THE PUBLIC LIBRARY, 9 FEET EAST OF THE CENTER LINE OF THE FRONT ENTRANCE, 24 FEET NORTH OF THE CENTER LINE OF THE SIDEWALK, 8 INCHES ABOVE THE GROUND LEVEL.
10/01/1995 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1995 RECOVERED IN GOOD CONDITION.
10/04/1995 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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