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Details for Benchmark: BR0937

N 31° 58.826 W 081° 52.704 (NAD 83)

Altitude: 172

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

Location:
In TATTNALL county, GA View Original Datasheet
Designation:
BV 132 211 AZ MK
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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Documented History (by the NGS)

01/01/1984 by GADT (MONUMENTED)
DESCRIBED BY GEORGIA DEPARTMENT OF TRANSPORTATION 1984 (WRN) THE STATION IS LOCATED ABOUT 6.9 KM (4.3 MI) NORTHEAST FROM GLENNVILLE, 24.8 KM (15.4 MI) WEST-NORTHWEST FROM REIDSVILLE, AND 31.15 KM (19.35 MI) WEST-NORTHWEST FROM HINESVILLE. OWNERSHIP--COUNTY RIGHT OF WAY. TO REACH THE STATION FROM THE JUNCTION OF U.S. HIGHWAY 301, AND STATE ROUTE 144 IN GLENNVILLE, GO NORTH ALONG U.S. HIGHWAY 301 FOR 0.8 KM (0.5 MI) TO THE JUNCTION OF COUNTY ROAD 475 (EAST HENCART ROAD) CROSSING. TURN RIGHT GOIING NORTHEAST ALONG COUNTY ROAD 475 FOR 3.2 KM (0.2 MI) TO IST TERMINATION AT THE JUNCTION OF PAVED COUNTY ROAD 349 (COUNTY ROAD 91909). CONTINUE GOING NORTHEASTERLY ALONG COUNTY ROAD 91909 FOR 1.95 KM (1.2 MI) TO THE JUNCTION OF COUHTY ROAD 358 FORKING TO THE RIGHT. TURN RIGHT GOING NORTH-NORTHEAST ALONG COUNTY ROAD 358 FOR 1.15 KM (0.7 MI) TO THE JUNCTION OF DIRT COUNTY ROAD 362 TO THE LEFT. TURN LEFT GOING NORTH ALONG COUNTY ROAD 362 FOR 0.5 KM (0.3 MI) TO THE JUNCTION OF DIRT COUNTY ROAD 359 CROSSING. TURN RIGHT GOING EAST ALONG COUNTY ROAD 359 FOR 0.3 KM (0.2 MI) TO ITS TERMINATION AT THE JUNCTION OF PAVED COUNTY ROAD 369. TURN LEFT GOING NORTHERLY ALONG COUNTY ROAD 369 FOR 0.55 KM (0.35 MI) TO THE STATION ON THE LEFT. THE STATION IS A STANDARD GADT DISK STAMPED---132-211 1984 AZ MK---. SET INTO THE TOP OF A ROUND CONCRETE MONUMENT 30.5 CM IN DIAMETER, AND FLUSH WITH THE SURFACE OF THE GROUND. IT IS LOCATED 4.48 METERS (14.7 FT) WEST FROM THE CENTERLINE OF THE ROAD, 7.10 METERS (23.3 FT) SOUTH FROM THE CENTERLINE OF A DIRT DRIVEWAY TO THE WEST, 11.03 METERS (36.2 FT) SOUTH-SOUTHEAST FROM AN UNDERGROUND TELEPHONE CABLE PEDESTAL, AND 0.85 METER (2.8 FT) NORTH FROM A METAL WITNESS POST. THE UNDERGROUND STATION IS A STANDARD GADT DISK STANPED---132-211 1984 AZ MK---, SET IN AN IRREGULAR MASS OF CONCRETE 0.91 METER BELOW THE SURFACE. COUNTY ROAD NUMBERS OBTAINED FROM--GENERAL HIHGWAY MAP TATTNALL COUNTY GEORGIA 1976. REVISED OCTOBER 1976. DESCRIBED BY P.R. MILTON.

Control Text

  • The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in September 1997. No horizontal observational check was made to the station.
  • 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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