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Details for Benchmark: OX0784

N 43° 11.005 W 110° 27.555 (NAD 83)

Altitude: 8261

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

Location:
In SUBLETTE county, WY View Original Datasheet
Designation:
MONUMENT
Marker Type:
triangulation station disk
Setting:
set into the top of a metal pipe driven into the ground
Stability:

Reference Points

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Found while on Monument Ridge JBOH Trail

[Photos:]
photo

Found this and two reference marks with my son.

was't looking for it, but found it while out exploring

Documented History (by the NGS)

01/01/1946 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1946 (CL) THE STATION IS LOCATED ON THE SUMMIT OF A LONG, HIGH, GRASS-COVERED RIDGE AND IS JUST EAST OF THE FOREST SERVICE LOOKOUT HOUSE (MONUMENT RIDGE L.O.). IT IS ABOUT 3 MILES, AIRLINE, WEST OF THE HOBACK RIVER, 3 MILES, AIRLINE, WEST-SOUTHWEST OF THE BONDURANT POST-OFFICE, 26 MILES, AIRLINE, SOUTHEAST OF JACKSON, AND 35 MILES, AIRLINE NORTHWEST OF PINEDALE. THE STATION MARK IS A STANDARD DISC WELDED ON THE TOP OF A THREE INCH CAST IRON SOIL PIPE WHICH PROJECTS 4 INCHES. THE MARK IS SURROUNDED BY A MASS OF CONCRETE. IS STAMPED MONUMENT 1946 REFERENCE MARK NO. 1 IS A STANDARD DISC CEMENTED IN A DRILL HOLE IN THE FIRST CONCRETE STEP WHICH LEADS INTO THE LOOKOUT HOUSE. IT IS STAMPED MONUMENT NO 1 1946. REFERENCE MARK NO. 2 IS A STANDARD DISC WELDED ON THE TOP OF A THREE INCH CAST IRON SOIL PIPE WHICH IS FLUSH WITH THE SURFACE OF THE GROUND, IS SURROUNDED BY A MASS OF CONCRETE, AND IS ABOUT 1-1/2 FOOT LOWER THAN THE STATION MARK. IT IS STAMPED MONUMENT NO 2 1946. STATION BONDURANT MAY BE USED FOR AN AZIMUTH MARK. THE MONUMENT RIDGE LOOKOUT HOUSE (CENTER) IS A SUITABLE SUBSTITUTE CONTROL STATION. TO REACH THE STATION FROM THE SOUTHWEST CORNER OF THE PARK IN JACKSON GO SOUTHEAST ON U.S. HIGHWAY NO. 187 25.0 MILES TO BONDURANT POST OFFICE ON THE RIGHT AND A CHURCH ON THE LEFT. CONTINUE ON THE HIGHWAY 2.2 MILES TO A ROAD LEADING TO RIGHT, WESTERLY AND SIGN UPPER HOBACK RIVER ROAD. TURN RIGHT ON A DIRT ROAD AND GO 0.55 MILES TO FORKS. TAKE THE LEFT FORK UP DRAW THENCE RIGHT, NORTHERLY UP RIDGE FOR 5.65 MILES TO THE U.S. FOREST SERVICE LOOKOUT HOUSE AND THE STATION. A DRIVE STATION.
01/01/1966 by USGS (GOOD)
RECOVERY NOTE BY US GEOLOGICAL SURVEY 1966 RECOVERED IN GOOD CONDITION.

Control Text

  • The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in January 1997.
  • 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.