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Details for Benchmark: OT0372

N 43° 26.317 W 103° 28.850 (NAD 83)

Altitude: 3465.99

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

Location:
In FALL RIVER county, SD View Original Datasheet
Designation:
DW 3462
Marker Type:
survey disk
Setting:
large structures with foundations on bedrock
Stability:
Most reliable and expected to hold position/elevation well.

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Recovered this benchmark, in good condition.
The given "scaled" coordinates are about 250' SW of where the benchmark actually is. I got readings of N43° 26.347' W103° 28.817', and an elevation of 3458 ft, with my GPSr touching the benchmark disk. It's a pretty easy find, right on the south wall of the courthouse.

[Photos:]
photo

We found it on the side of the courthouse.

[Photos:]
photoOT0372
photoOT0372

Easily found on the court house in Hot Springs.

[Photos:]
photo3462 DW - Fall River County, SD
photo3462 DW - Fall River County, SD
photo3462 DW - Fall River County, SD

Found this one while geocaching in the Black Hills.

N 43° 26.343 W 103° 28.820

Located this one on the Courthouse in Hot Springs, SD

[Photos:]
photoOT0372 / DW 3462 / UNK
One of the early style markers
photoOT0372
Located to the right of the or the Reserve Parking sign in the center of the center block in the second row just to the right of the steel platform at the steps.

Out caching and benchmarking while attending the Miss South Dakota Pageant! TFTBMK!

[Photos:]
photoClubmud's Upload
photoClubmud's Upload

Found this one easily in this old old town.

[Photos:]
photoPictures 271.jpg
photocourthouse

Very old one. Easy to find. Of interest.

Solid, although a bit worn.

[Photos:]
photoThe survey disk.
photoThe courthouse
Survey disk is visible in photo as small dot about 2 feet from ground, next to the side door (above hood of car)

Documented History (by the NGS)

Unknown by USGS (MONUMENTED)
01/01/1963 by NGS (GOOD)
DESCRIBED BY NATIONAL GEODETIC SURVEY 1963 0.8 MI NW FROM HOT SPRINGS. 0.85 MILE NORTHWEST ALONG U.S. HIGHWAY 385 AND STATE HIGHWAY 87 FROM THE POST OFFICE AT HOT SPRINGS, IN SECTION 13, T 7 S, R 5 E, IN THE SOUTH FACE OF THE COURTHOUSE, 62 FEET WEST OF THE CENTER LINE OF THE HIGHWAY, 21 FEET WEST OF THE SOUTHEAST CORNER OF THE COURTHOUSE, 2.7 FEET EAST OF THE EAST EDGE OF AN ENTRANCE TO THE COURTHOUSE, ABOUT 2.5 FEET ABOVE THE LEVEL OF A CONCRETE DRIVEWAY, AND SET VERTICALLY IN THE SOUTH STONE FACE OF THE COURTHOUSE.
01/01/1985 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1985 RECOVERED IN GOOD CONDITION.
04/10/1995 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1995 (GAS) 1.3 KM (0.80 MI) NORTHERLY ALONG U.S. HIGHWAY 385 FROM THE POST OFFICE IN HOT SPRINGS, SET VERTICALLY IN THE SOUTH FACE OF THE COURTHOUSE, 19.2 M (63.0 FT) WEST OF THE HIGHWAY CENTERLINE, 6.4 M (21.0 FT) WEST OF THE SOUTHEAST CORNER OF THE BUILDING, 1.0 M (3.3 FT) EAST OF THE CENTER OF THE SOUTH ENTRANCE INTO THE BUILDING, AND 0.5 M (1.6 FT) ABOVE THE LEVEL OF THE HIGHWAY.

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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