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Details for Benchmark: EE2072

N 34° 57.541 W 085° 17.565 (NAD 83)

Altitude: 1163

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

Location:
In WALKER county, GA View Original Datasheet
Designation:
MISSION
Marker Type:
triangulation station disk
Setting:
set into the top of a round concrete monument
Stability:

Reference Points

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The coords were taking me on to private property so I did not continue the search.

benchmarks are neat,... but i am still getting use to how to completly understand how to log them properly!

Documented History (by the NGS)

01/01/1972 by NGS (MONUMENTED)
DESCRIBED BY NATIONAL GEODETIC SURVEY 1972 (JLC) THE STATION IS LOCATED 6 MILES NORTH OF CHICKAMAUGA, 2.5 MILES WEST-NORTHWEST OF FORT OGLETHORPE, 1.5 MILES SOUTH OF DOWNTOWN ROSSVILLE, ON MISSIONARY RIDGE, AT THE ROSSVILLE STANDPIPE, ON THE WEST SIDE OF A SMALL POULTRY FARM OWNED BY LORRET MILLS, INCORPORATED. TO REACH THE STATION FROM THE ROSSVILLE POST OFFICE, GO SOUTHERLY ON U.S. HIGHWAY 27 FOR 0.4 MILE TO THE IOWA CIVIL WAR MONUMENT ON THE LEFT, AND A SIDE ROAD RIGHT. TURN RIGHT AND GO UPHILL ON THE PAVED ROAD FOR 0.4 MILE TO A REVERSE Y-FORK. TURN RIGHT AND GO NORTHWEST, THEN SOUTH ON SOUTH MISSIONARY RIDGE DRIVE FOR 1.8 MILES TO THE END OF THE ROAD AT THE STANDPIPE. CONTINUE SOUTH ON DRIVEWAY BETWEEN FARM BUILDINGS FOR 0.05 MILE TO A SPACE BETWEEN BUILDINGS 3 AND 4 ON THE RIGHT. TURN RIGHT AND GO WEST FOR 50 FEET, THEN LEFT, SOUTH FOR 100 FEET TO THE STATION. THE STATION MARKS ARE STANDARD DISKS STAMPED MISSION 1971. THE SURFACE DISK IS SET IN THE TOP OF A 12-INCH CYLINDRICAL CONCRETE MONUMENT WHICH IS FLUSH WITH THE GROUND. IT IS 96.5 FEET SOUTH-SOUTHWEST OF THE NORTHWEST CORNER OF BUILDING 4, 44.5 FEET NORTHWEST OF THE SOUTHWEST CORNER OF BUILDING 4, 34.5 FEET WEST OF THE WEST FACE OF BUILDING 4, AND 3.9 FEET SOUTHEAST OF A METAL WITNESS POST. THE UNDERGROUND DISK IS SET IN THE TOP OF AN IRREGULAR MASS OF CONCRETE 42 INCHES BELOW GROUND. REFERENCE MARK 1, A STANDARD DISK STAMPED MISSION NO 1 1971, IS SET IN THE TOP OF A 12-INCH CYLINDRICAL CONCRETE MONUMENT WHICH PROJECTS 1 INCH ABOVE GROUND. IT IS 70 FEET SOUTH OF THE WITNESS POST, 53.5 FEET SOUTHWEST OF THE SOUTHWEST CORNER OF BUILDING 4, AND 38 FEET NORTHWEST OF THE NORTHWEST CORNER OF A METAL SHED. REFERENCE MARK 2, A STANDARD DISK STAMPED MISSION NO 2 1971, IS SET IN THE TOP OF A 12-INCH CYLINDRICAL CONCRETE MONUMENT WHICH IS FLUSH WITH THE GROUND. IT IS 59.5 FEET NORTH OF THE WITNESS POST, AND 44 FEET SOUTHWEST OF THE NORTHWEST CORNER OF BUILDING 4. NO SUITABLE LOCATION FOR AN AZIMUTH MARK. HEIGHT OF LIGHT ABOVE STATION MARK 22.4 METERS.

Control Text

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

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