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Details for Benchmark: QU0336

N 45° 44.579 W 105° 58.468 (NAD 83)

Altitude: 4343

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

Location:
In POWDER RIVER county, MT View Original Datasheet
Designation:
LISCOM
Marker Type:
metal rod
Setting:
setting not listed - see description
Stability:

Reference Points

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Documented History (by the NGS)

1/1/1934 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1934 (WRP) THE STATION IS LOCATED ABOUT 18 MILES NORTHEAST OF ASHLAND AND IS ON THE HIGHEST POINT OF LISCOM BUTTE, A HIGH TIMBERED BUTTE IN THE CUSTER NATIONAL FOREST. THIS BUTTE IS THE HIGHEST POINT FOR SEVERAL MILES AROUND AND IS VERY PROMINENT. THE STATION MARK IS IN AN IRON PIPE AND PROJECTS 10 INCHES. IT IS 24 FEET SOUTH OF AN 18-INCH PINE TREE MARKED WITH A LARGE TRIANGULAR BLAZE, AND 30 FEET SOUTHWEST OF A LADDER OF 4 ROUNDS BETWEEN A 12-INCH PINE ON THE WEST SIDE AND A 20-INCH PINE TREE. THE STATION IS IN SOUTH 1/2 OF SEC. 18, T. 1 S., R. 47 E. TO REACH THE STATION FROM ASHLAND POST OFFICE GO EAST ON THE OTTER CREEK ROAD 0.7 MILE TO A FORK. TAKE THE LEFT FORK UP HILL AND FOLLOW GRADED ROAD 13.4 MILES TO A FORK. TAKE THE LEFT FORK UP HILL AND FOLLOW GRADED ROAD NORTHWARD ACROSS DIVIDE AND DOWN CANYON 11.7 MILES TO A WHITE SCHOOLHOUSE ON THE WEST SIDE OF THE ROAD. CONTINUE NORTH ON THE GRADED ROAD 1.8 MILES TO AN UNIMPROVED ROAD ON THE LEFT SIDE OF THE ROAD. (THIS POINT IS ABOUT 100 YARDS NORTH OF WOODEN BOX CULVERT ACROSS THE GRADED ROAD). LEAVE THE GRADED ROAD AND DRIVE ON UNIMPROVED ROAD TOWARD HOUSE WITH TIN ROOF 0.3 MILE TO A FORK. TAKE THE LEFT FORK, PASS THROUGH GATE, AND GO 0.3 MILE TO N.O. PEARSONS RANCH HOUSE. CROSS CREEK 75 YARDS NORTH OF THE HOUSE, TURN WEST AND GO 0.7 MILE TO A GATE. PASS THROUGH GATE AND GO WEST ALONG THE NORTH SIDE OF FENCE 0.5 MILE TO A FENCE CORNER AND TWO GATES. TURN RIGHT AND GO NORTH ALONG THE EAST SIDE OF FENCE 75 YARDS TO A GATE. TURN LEFT, WEST, PASS THROUGH GATE AND GO WEST ON PLAIN ROAD 1.0 MILE TO A GATE. PASS THROUGH GATE AND GO 0.9 MILE TO A GATE. PASS THROUGH GATE AND GO 1.1 MILES TO CHOATES RANCH HOUSE. DRIVE ON THE SOUTH SIDE OF THE MOST NORTHWESTERLY LOG HOUSE, CROSS CREEK ON DIM ROAD, PASS THROUGH GATE IN AN EAST-AND-WEST FENCE (ABOUT 100 YARDS FROM THE LAST MENTIONED HOUSE). GO 0.4 MILE WEST UP CANYON TO A POINT ABOUT 50 FEET EAST OF A GATE IN A FENCE. HERE TURN LEFT ACROSS CREEK, THEN TURN RIGHT AND GO UP RIDGE 0.2 MILE TO A FENCE. TAKE DOWN FENCE AND GO 0.05 MILE TO THE END OF TRUCK TRAVEL. FROM THIS POINT PACK WEST AND THEN SOUTHWEST UP RIDGE, CROSS 4-STRAND WIRE FENCE, (FORESTRY BOUNDARY FENCE), AND GO TO THE HIGH POINT OF THE RIDGE AND STATION. A 30-MINUTE PACK WITH A HEAVY LOAD. WATER AT CHOATES RANCH. REFERENCE MARK NO. 1, IS NORTHEAST OF THE STATION, 20 FEET EAST OF A 6- BY 8-FOOT OUTCROPPING ROCK AT THE NORTH END OF THE RIDGE ON WHICH THE STATION IS LOCATED AND PROJECTS 6 INCHES. REFERENCE MARK NO. 2, IS SOUTHWEST OF THE STATION AND PROJECTS 10 INCHES. AZIMUTH MARK IS SET IN A PIPE. A 4-FOOT STAND WILL CLEAR ALL LINES FROM THIS STATION.

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.

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