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Details for Benchmark: HN0409

N 37° 07.267 W 111° 29.583 (NAD 83)

Altitude: 3955.42

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

Location:
In KANE county, UT View Original Datasheet
Designation:
E 145
Marker Type:
bench mark disk
Setting:
set into the top of a round concrete monument
Stability:
May hold, but of type commonly subject to surface motion.

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N 37° 07.546 W 111° 29.714

Recovered in good condition. The coordinates are off by about 1/3 of a mile. Witness post stands out since there is nothing even close to it.

[Photos:]
photoE 145 in southern UT.
photoE 145 view east
photoE 145 view south
photoE 145 view west
photoE 145 view north

Documented History (by the NGS)

1/1/1962 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1962 13.6 MI E FROM GLEN CANYON CITY. ABOUT 13.6 MILES EAST ALONG A WINDING DIRT ROAD FROM THE CHEVRON SERVICE STATION AT GLEN CANYON CITY, 45 FEET WEST OF THE CENTERLINE OF THE ROAD, 2.0 FEET WEST OF A METAL WITNESS POST, ABOUT 2 FEET ABOVE THE LEVEL OF THE ROAD, AND SET IN THE TOP OF A CONCRETE POST PROJECTING ABOUT 5 INCHES.
1/1/1977 by USGS (GOOD)
RECOVERY NOTE BY US GEOLOGICAL SURVEY 1977 FROM THE STOP AND SHOP STATION IN GLEN CANYON CITY GO E. ON GRAIDED DIRT ROAD FOR 12.9 MILES, 265 FT. W OF CTR. RD. 2.0 FT. W OF METAL WITNESS POST SET IN TOP OF A CONCRETE POST PROJECTING ABOUT 5 INCHES.
1/1/1977 by USGS (GOOD)
RECOVERY NOTE BY US GEOLOGICAL SURVEY 1977 FROM THE STOP AND SHOP STATION IN GLEN CANYON CITY GO E. ON GRAIDED DIRT ROAD FOR 12.9 MILES, 265 FT. W OF CTR. RD. 2.0 FT. W OF METAL WITNESS POST SET IN TOP OF A CONCRETE POST PROJECTING ABOUT 5 INCHES.

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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