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Details for Benchmark: DF2480

N 33° 01.434 W 083° 46.052 (NAD 83)

Altitude: 479

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

Location:
In MONROE county, GA View Original Datasheet
Designation:
BV 102 212
Marker Type:
survey disk
Setting:
set into the top of a round concrete monument
Stability:

Reference Points

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quick find, met the home owner and showed him what it was.

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 NORTH OF BOLINGBROKE, 10 MILES EAST OF FORSYTH, AND 6 MILES SOUTH OF JULIETTE ON THE PROPERTY OF G.D. ELROD. TO REACH THE STATION FROM THE INTERSECTION OF INTERSTATE 75 AND STATE ROUTE 18 ON THE SOUTH SIDE OF FORSYTH, TRAVEL EAST ON STATE ROUTE 18 FOR 1.35 MILES TO THE JUNCTION OF COUNTY ROAD 24 TO THE RIGHT. CONTINUE ALONG STATE ROUTE 18 FOR 0.5 MILE TO THE JUNCTION OF COUNTY ROAD 15 CROSSING. CONTINUE EAST ON STATE ROUTE 18 FOR 0.75 MILE TO COUNTY ROAD 91699 TO THE RIGHT. CONTINUE ALONG STATE ROUTE 18 FOR 3.5 MILES TO JENKINS ROAD (COUNTY ROAD 28) TO THE RIGHT. CONTINUE ALONG STATE ROUTE 18 FOR 2.45 MILES TO THE STATION ON THE RIGHT. THE STATION IS A STANDARD BRASS DISK STAMPED 102-212, SET IN THE TOP OF A 10 INCH CYLINDRICAL CONCRETE POST FLUSH WITH THE SURFACE OF THE GROUND. THE UNDERGROUND MARK IS A STANDARD DISK STAMPED 102-212, SET IN AN IRREGULAR MASS OF CONCRETE APPROXIMATELY 0.70 METER BELOW THE SURFACE OF THE GROUND. IT IS LOCATED 47.0 FEET SOUTH OF THE CENTERLINE OF STATE ROUTE 18, 8 FEET EAST OF A WITNESS POST SET AT A 10 INCH PINE TREE, 66.2 FEET WEST OF AN 18 INCH CEDAR TREE, AND 95.0 FEET WEST-NORTHWEST OF THE NORTHWEST CORNER OF THE ELROD RESIDENCE. TO REACH THE AZIMUTH MARK FROM THE STATION, CONTINUE WEST ALONG STATE ROUTE 18 FOR 0.1 MILE TO THE AZIMUTH MARK ON THE LEFT. IT IS A STANDARD DISK STAMPED 102-212 AZMK, SET IN THE TOP OF A 10 INCH CYLINDRICAL CONCRETE POST FLUSH WITH THE GROUND SURFACE. IT IS LOCATED 4 FEET SOUTH OF A WITNESS POST, 17.5 FEET SOUTHWEST OF A 10 INCH PINE TREE, 44 FEET NORTH OF THE CENTERLINE OF STATE ROUTE 18, AND 54 FEET EAST-SOUTHEAST OF A POWER POLE.

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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