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Details for Benchmark: RZ0246

N 46° 20.867 W 116° 40.283 (NAD 83)

Altitude: 2404.04

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

Location:
In NEZ PERCE county, ID View Original Datasheet
Designation:
C 24
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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Condition Good

[Photos:]
photoRZ0246 - C24 0001.JPG

Documented History (by the NGS)

01/01/1933 by CGS (MONUMENTED)
01/01/1965 by NGS (GOOD)
DESCRIBED BY NATIONAL GEODETIC SURVEY 1965 3.2 MI S FROM CULDESAC. 3.2 MILES SOUTH ALONG A MACADAM ROAD FROM THE RAILROAD DEPOT AT CULDESAC, 0.15 MILE NORTHWEST OF THE RANCH BUILDINGS OCCUPIED BY MR. JOE HARRIS, 110 FEET SOUTH OF A METAL CULVERT UNDER THE MACADAM ROAD, 32 FEET NORTHEAST OF THE CENTER OF THE ROAD AND 0.5 FOOT SOUTH OF A METAL WITNESS POST. SET IN THE TOP OF A SQUARE CONCRETE POST THAT IS 4 INCHES BELOW THE SURFACE OF THE GROUND AND ABOUT LEVEL WITH THE ROAD.
01/01/1982 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1982 RECOVERED IN GOOD CONDITION. NOT LEVELED TO IN 1983. NEW DESCRIPTION FOLLOWS. 4.65 KM (2.9 MI) SOUTH ALONG THE NORTH-SOUTH HIGHWAY FROM THE JUNCTION OF US HIGHWAY 95 IN CULDESAC, 0.3 KM (0.2 MI) SOUTHEAST OF A POWER LINE CROSSING, 9.7 METERS (32 FT) EAST OF THE HIGHWAY CENTERLINE, 33.5 METERS (110 FT) SOUTH OF THE EAST END OF AN 18-INCH CORRUGATED METAL PIPE CULVERT. THE MARK IS 0.2 METERS N FROM A WITNESS POST. THE MARK IS ABOVE LEVEL WITH THE HIGHWAY.
01/01/1982 by USGS (GOOD)
RECOVERY NOTE BY US GEOLOGICAL SURVEY 1982 3.4 MILE SOUTHEAST ON OLD US HWY. 95 FROM THE CAMAS PRAIRIE RR CROSSING, 0.4 MI W. OF THE P.O. AT CULDESAC, NEZ PERCE CO., ON THE WINCHESTER GRADE, 550 FT. NORTH OF A HOUSE, 110 FT. SOUTH OF A CORRUGATED IRON CULVERT WITH A CONCRETE HEADWALL AT THE WEST END, 32 FT. EAST OF THE CENTERLINE OF THE ROAD AND 1 FT. LOWER. A STANDARD DISK, STAMPED ''C 24 1933'' AND SET IN THE TOP OF A CONCRETE POST LEVEL WITH THE GROUND SURFACE.

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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