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Details for Benchmark: RN1668

N 46° 30.318 W 092° 40.467 (NAD 83)

Altitude: 1176

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

Location:
In CARLTON county, MN View Original Datasheet
Designation:
SKELTON RM 2
Marker Type:
bench mark disk
Setting:
setting not listed - see description
Stability:
Mark of questionable or unknown stability.

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Strangely enough this is stamped with two different designations.

This find is for SKELTON RM 2.

See http://www.geocaching.com/mark/details.aspx?PID=RN0812 for other designation.

[Photos:]
photoSKELTON RM 2
Located in the southeastern abutment of the County Road 6 bridge over 35 in Barnum Minnesota.

Documented History (by the NGS)

01/01/1969 by MNHD (MONUMENTED)
DESCRIBED BY MN HIGHWAY DEPT 1969 STATION IS LOCATED ABOUT 0.5 MILE NORTHEAST OF THE TOWN OF BARNUM, IN THE SW 1/4, SECTION 31, T47N, R18W ON THE EAST R/W OF F.A.I. 35. REFERENCE MARK NO. 2, A STANDARD MHD BENCH MARK DISK STAMPED SKELTON NO. 2 1969, IS SET IN THE SOUTHEAST CORNER ABUTMENT OF BRIDGE (NO. 09820). COUNTY ROAD NO. 6 OVER F.A.I. 35.

Control Text

  • The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1999.
  • The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.)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.

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