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Details for Benchmark: GF0895

N 36° 32.850 W 093° 32.766 (NAD 83)

Altitude: 1427

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

Location:
In STONE county, MO View Original Datasheet
Designation:
PILOT KNOB LOT
Marker Type:
survey disk
Setting:
set into the top of a round concrete monument
Stability:
May hold, but of type commonly subject to surface motion.

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U.S. Engineer Dept.Pilot Knob 1942.Good shape North side of cement broken.

[Photos:]
photoPilot Knob Lot 1942 Tower (GONE)
The brass cap in good shape tower gone.
photoPilot Knob Lot 1942
Monument good.
photoTower gone
All that remains of the tower are the 4 feet, bases.

Documented History (by the NGS)

01/01/1961 by USE (MONUMENTED)
DESCRIBED BY US ENGINEERS 1961 (BRB) THE STATION IS ABOUT 5-3/4 MILES SOUTH AND 5 MILES EAST OF SHELL KNOB, ABOUT 2 MILES EAST AND 1-3/4 MILES SOUTH OF VIOLA, ON A HILL KNOWN LOCALLY AS PILOT KNOB, IN THE SOUTHWEST 1/4 OF SEC. 4, T. 21 N., R. 24 W., AND ON THE PROPERTY OF THE STATE CONSERVATION COMMISSION. IT IS A STANDARD U.S. ENGINEER DEPARTMENT DISK STAMPED PILOT KNOB 1942 SET UNDER THE CENTER OF THE PILOT KNOB LOOKOUT TOWER IN A CONCRETE POST THAT IS 6 INCHES IN DIAMETER AND PROJECTS 2 INCHES. TO REACH FROM THE BAPTIST CHURCH IN VIOLA, GO SOUTHERLY ON STATE HIGHWAY 39 FOR 1.7 MILES TO A SIDE ROAD LEFT. TURN LEFT AND GO EASTERLY ON COUNTY ROAD H FOR 1.8 MILES TO A SIDE ROAD RIGHT. TURN RIGHT AND GO SOUTHERLY ON A NARROW GRADED ROAD FOR 0.5 MILE TO THE TOP OF A STEEP HILL AND THE LOOKOUT TOWER AND THE STATION. A TRAVERSE CONNECTION WAS MADE FROM TRIANGULATION STATION PILOT KNOB, THE DISTANCE BEING 81.95 FEET AND 24.9776 METERS. THE LOOKOUT IS A FOUR LEGGED STEEL STRUCTURE WITH A METAL OBSERVATION ROOM AT THE TOP. THE OVERALL HEIGHT IS APPROXIMATELY 60 FEET.

Control Text

  • The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in February 2000.
  • The orthometric height was scaled from a topographic map.
  • The Laplace correction was computed from DEFLEC99 derived deflections.
  • The geoid height was determined by GEOID99.

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