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Details for Benchmark: SV1561

N 47° 59.738 W 116° 31.307 (NAD 83)

Altitude: 4523

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

Location:
In BONNER county, ID View Original Datasheet
Designation:
CAPEHORN
Marker Type:
survey disk
Setting:
setting not listed - see description
Stability:
Mark of questionable or unknown stability.

Reference Points

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Documented History (by the NGS)

01/01/1960 by USGS (MONUMENTED)
DESCRIBED BY US GEOLOGICAL SURVEY 1960 LOCATED ABOUT 2 MI. (AIRLINE) NE. OF BAYVIEW, IN SECTION 25, T 54 N, R 2 W, ON HIGHEST POINT OF A PARTIAL TIMBERED TOP OVERLOOKING LAKE PEND OREILLE. TO REACH FROM THE POST OFFICE AT BAYVIEW, DRIVE 0.2 MI. NW. ON MAIN STREET TOWARD CAPEHORN RESORT TO RD. FORKS, CONTINUE STRAIGHT AHEAD ON MAIN RD. FOR 0.25 MI. TO JUNCTION OF DIM TRACK RD. FROM N., TURN RIGHT ON DIM TRACK RD. PASSING BETWEEN SEVERAL BUILDINGS AND DRIVE 4.8 MI. TO USFS TRAIL SIGN --TRAIL NO. 230 - CAPEHORN LITTLE BLACKTAIL TRAIL-- AND END OF TRUCK TRAVEL. TAKE TRAIL NO. 230 AND CLIMB TO TOP AND STATION. STATION MARK--A STANDARD TABLET STAMPED---CAPEHORN 1960---, CEMENTED IN THE NE. CONCRETE FOOTING OF A DESTROYED L.O.T. REFERENCE MARK NO. 1--A STANDARD REFERENCE MARK TABLET STAMPED---NO 1 1960---, SET IN THE SE. CONCRETE FOOTING OF DESTROYED L.O.T., 21.21 FT. FROM THE STATION MARK, N 89 DEG 21 MIN W. REFERENCE MARK NO. 2--A STANDARD REFERENCE MARK TABLET STAMPED---NO 2 1960---, SET IN THE NE. FOOTING OF DESTROYED L.O.T., 20.01 FT. FROM THE STATION MARK, N 00 DEG 58 MIN E.

Control Text

  • The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in July 1992.
  • The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.)
  • The Laplace correction was computed from DEFLEC99 derived deflections.
  • The geoid height was determined by GEOID99.