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Details for Benchmark: DF2467

N 33° 02.055 W 083° 44.925 (NAD 83)

Altitude: 477

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

Location:
In MONROE county, GA View Original Datasheet
Designation:
BV 102 213
Marker Type:
survey disk
Setting:
set into the top of a round concrete monument
Stability:

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My very first "discovery."

Documented History (by the NGS)

01/01/1974 by GADT (MONUMENTED)
DESCRIBED BY GEORGIA DEPARTMENT OF TRANSPORTATION 1974 (WRN) THE STATION IS LOCATED APPROXIMATELY 6 MILES SOUTH-SOUTHEAST OF JULIETTE, 11 MILES EAST OF FORSYTH, AND 9-1/4 MILES SOUTHWEST OF ROUND OAK. TO REACH THE STATION FROM THE JUNCTION OF STATE ROUTE 18 AND INTERSTATE 75, LOCATED ABOUT 1-3/4 MILES EAST OF FORSYTH, TRAVEL EAST ON STATE ROUTE 18 FOR 10.2 MILES TO THE JUNCTION OF U.S. HIGHWAY 23 (STATE ROUTE 87) CROSSING. TURN LEFT, TRAVELING NORTH ALONG U.S. HIGHWAY 23 FOR 0.8 MILE TO THE STATION ON THE RIGHT. THE STATION IS A STANDARD BRASS DISK STAMPED 102-213, SET IN THE TOP OF A 10 INCH CYLINDRICAL CONCRETE POST FLUSH WITH THE SURFACE OF THE GROUND. THE UNDERGROUND STATION IS A STANDARD DISK STAMPED 102-213, SET IN AN IRREGULAR MASS OF CONCRETE APPROXIMATELY 0.72 METER BELOW THE SURFACE OF THE GROUND. IT IS LOCATED 150 FEET EAST OF THE CENTERLINE OF THE HIGHWAY, 3 FEET EAST OF A WITNESS POST, 32 FEET SOUTHWEST OF A 10 INCH PINE TREE, AND 28.4 FEET WEST OF A RIGHT OF WAY MARKER. TO REACH THE AZIMUTH MARK FROM THE STATION, CONTINUE TRAVELING NORTH ALONG U.S. HIGHWAY 23 (STATE ROUTE 87) FOR 0.6 MILE TO THE MARK ON THE LEFT. IT IS A STANDARD DISK STAMPED 102-213 AZMK, SET IN THE TOP OF A 10 INCH CYLINDRICAL CONCRETE POST FLUSH WITH THE SURFACE OF THE GROUND. IT IS LOCATED 28.0 FEET WEST OF THE CENTERLINE OF THE HIGHWAY, 51.0 FEET NORTH OF A 4 INCH PINE TREE, 102.0 FEET NORTHEAST OF A 14 INCH PINE TREE, AND 3.0 FEET WEST OF A WITNESS POST.

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  • The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.)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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