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Details for Benchmark: DG3285

N 33° 44.520 W 084° 46.831 (NAD 83)

Altitude: 1245

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

Location:
In DOUGLAS county, GA View Original Datasheet
Designation:
BV 048 200
Marker Type:
survey disk
Setting:
set into the top of a round concrete monument
Stability:

Reference Points

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Documented History (by the NGS)

01/01/1973 by GADT (MONUMENTED)
DESCRIBED BY GEORGIA DEPARTMENT OF TRANSPORTATION 1973 (WRN) THE STATION IS LOCATED APPROXIMATELY 5.0 MILES SOUTHEAST OF DOUGLASVILLE BETWEEN U.S. HIGHWAY 78 AND THE SOUTHERN RAILROAD TRACKS. TO REACH THE STATION FROM THE INTERSECTION OF STATE ROUTE 92 AND U.S. HIGHWAY 78 (SR8) IN DOUGLASVILLE TRAVEL WEST ON U.S. HIGHWAY 78 (SR8) FOR 1.8 MILES TO THE INTERSECTION OF U.S. HIGHWAY 78 (SR8) AND STATE ROUTE 5 WHICH ENTERS FROM THE LEFT. CONTINUE ALONG U.S. HIGHWAY 78 FOR 0.2 MILE TO THE STATION LOCATED ON THE RIGHT SIDE OF U.S. HIGHWAY 78 BETWEEN THE ROADWAY AND THE RAILROAD TRACKS. THE STATION MARK IS A STANDARD DISK STAMPED 048-200, SET IN A 10 INCH CYLINDRICAL CONCRETE POST FLUSH WITH THE SURFACE OF THE GROUND. THE UNDERGROUND MARK IS A STANDARD DISK STAMPED 048-200 SET IN AN IRREGULAR MASS OF CONCRETE ABOUT 3 FEET BELOW THE SURFACE OF THE GROUND. THE STATION IS LOCATED 67.2 FEET NORTHWEST OF THE CENTERLINE OF U.S. HIGHWAY 78 (SR 8) APPROXIMATELY 24 YARDS SOUTHEAST OF THE RAILROAD TRACKS, 232.5 FEET EAST OF A POWER LINE POLE, 62.6 FEET SOUTH OF A TELEPHONE POLE, 34.9 FEET EAST OF THE NORTHWEST LEG OF A LEG OF A BILLBOARD, 31.2 FEET NORTHEAST OF THE SOUTHEAST LEG OF THE BILLBOARD, AND 5.2 FEET SOUTHWEST OF A WITNESS POST. THE AZIMUTH MARK IS A STANDARD DISK SET IN A 10 INCH CYLINDRICAL CONCRETE POST FLUSH WITH THE SURFACE OF THE GROUND. TO REACH THE AZIMUTH MARK CONTINUE WEST ON U.S. HIGHWAY 78 (SR 8) FOR 0.2 MILES TO THE MARK. THE AZIMUTH MARK IS LOCATED ON THE LEFT SIDE OF THE HIGHWAY 111.2 FEET NORTHEAST OF THE NORTHEAST CORNER OF AMERICAN LEGION POST 145, 94.5 FEET NORTHWEST OF A LARGE METAL BUILDING, 33.0 FEET SOUTH OF THE EDGE OF THE HIGHWAY, 1.64 FEET NORTHEAST OF A POWER POLE NUMBERED GA. POWER 25. THE AZIMUTH MARK IS A STANDARD DISK SET IN A 10-INCH CYLINDRICAL CONCRETE POST FLUSH WITH THE SURFACE OF THE GROUND. THE AZIMUTH MARK IS STAMPED 048-200 AZI.

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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