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Details for Benchmark: QL0361

N 45° 03.250 W 087° 44.833 (NAD 83)

Altitude: 609.23

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

Location:
In MARINETTE county, WI View Original Datasheet
Designation:
BENCH MARK
Marker Type:
survey disk
Setting:
massive structures
Stability:
Probably hold position/elevation well.

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In good shape and solid.

N 45° 03.264 W 087° 44.822

BantamC(RFC) recovered as described.

[Photos:]
photoBenchmark and GPS in Peshtigo, Wi
photoLooking North
photoLooking East
photoLooking South
photoLooking West

Documented History (by the NGS)

Unknown by WIDT (MONUMENTED)
01/01/1972 by NGS (GOOD)
DESCRIBED BY NATIONAL GEODETIC SURVEY 1972 AT PESHTIGO. AT PESHTIGO, SET ON THE TOP OF THE EAST END OF THE SOUTH CONCRETE GUARDRAIL BASE TO THE U.S. HIGHWAY 41 BRIDGE OVER PESHTIGO RIVER, 5 FEET SOUTH OF THE SOUTH CURB OF THE BRIDGE, 3 FEET WEST OF THE EAST END OF THE GUARDRAIL AND 1 FOOT ABOVE THE LEVEL OF THE HIGHWAY. SECTION 19, T 30N, R 23E
01/01/1990 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1990 (RPT) RECOVERED IN GOOD CONDITION.
06/06/1991 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1991 (RPT) RECOVERED IN GOOD CONDITION.
09/02/1996 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1996 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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