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Details for Benchmark: CL2757

N 32° 59.689 W 083° 46.460 (NAD 83)

Altitude: 586

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

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

Reference Points

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Documented History (by the NGS)

01/01/1974 by NGS (MONUMENTED)
DESCRIBED BY NATIONAL GEODETIC SURVEY 1974 (LHW) NO SUITABLE LOCATION FOR A DISTANT RM. RM 1 TO RM 2 BLOCKED BY FENCE LINE. THE STATION IS LOCATED 10 MILES EAST-SOUTHEAST OF FORSYTH, 3 MILES WEST OF THE OCMULGEE RIVER, 2.5 MILES NORTHWEST OF THE MONROE-JONES-BIBB COUNTIES JUNCTION CORNER, IN A SMALL PASTURE OWNED BY C. D. MORGAN, WHO LIVES IN FIRST HOUSE NORTHEAST OF THE STATION. TO REACH THE STATION FROM THE JUNCTION OF STATE HIGHWAY 18 AND INTERSTATE HIGHWAY 75, ABOUT 2 MILES EAST OF FORSYTH, GO SOUTH ON HIGHWAY 75 FOR 4.1 MILES TO THE RUMBLE ROAD EXIT. GO EAST ON RUMBLE ROAD FOR 0.4 MILE TO END OF PAVEMENT. CONTINUE EAST ON RUMBLE ROAD FOR 3.0 MILES TO A T-INTERSECTION. TURN LEFT AND GO NORTHEAST ON PEA RIDGE ROAD FOR 0.75 MILE TO A FORK. BEAR LEFT AND GO NORTH ON TAYLOR ROAD FOR 0.25 MILE, SLIGHT RISE, A SMALL PASTURE ON EACH SIDE OF THE ROAD, AND THE STATION ON THE LEFT. STATION MARKS ARE STANDARD DISKS STAMPED MORGAN 1974. THE SURFACE DISK IS SET IN THE TOP OF A 12-INCH CYLINDRICAL CONCRETE MONUMENT THAT IS 12 INCHES BELOW GROUND. IT IS 276 FEET SOUTH-SOUTHWEST OF A WIRE GATE IN THE DILAPIDATED FENCE LINE, 223 FEET NORTH-NORTHEAST OF THE SOUTHEAST PASTURE CORNER, 35 FEET WEST-NORTHWEST OF THE ROAD CENTER, 19.5 FEET WEST-NORTHWEST OF A METAL WITNESS POST AND 18.5 FEET WEST-NORTHWEST OF THE FENCE. THE UNDERGROUND DISK IS SET IN THE TOP OF AN IRREGULAR CONCRETE MASS ABOUT 40 INCHES BELOW GROUND. REFERENCE MARK 1, A STANDARD DISK STAMPED MORGAN NO 1 1974, IS SET IN THE TOP OF A 12-INCH CYLINDRICAL CONCRETE MONUMENT THAT PROJECTS 4 INCHES ABOVE GROUND. IT IS 77 FEET NORTH-NORTHEAST OF THE WITNESS POST, 18 FEET WEST-NORTHWEST OF THE ROAD CENTER AND 2 FEET WEST-NORTHWEST OF THE FENCE. REFERENCE MARK 2, A STANDARD DISK STAMPED MORGAN NO 2 1974, IS SET IN THE TOP OF A 12-INCH CYLINDRICAL CONCRETE MONUMENT THAT PROJECTS 4 INCHES ABOVE GROUND. IT IS 68 FEET SOUTH-SOUTHWEST OF THE WITNESS POST, 18 FEET WEST-NORTHWEST OF THE ROAD CENTER, 1 FOOT WEST-NORTHWEST OF THE FENCE AND 2 FEET LOWER THAN THE STATION. HEIGHT OF LIGHT ABOVE STATION MARK 26.7 METERS.
01/01/1975 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1975 (LHW) THE STATION MARK, REFERENCE MARKS 1 AND 2 WERE RECOVERED IN GOOD CONDITION. THE DISTANCE AND DIRECTION TO BOTH REFERENCE MARKS COMPARES FAVORABLY TO THE 1974 DATA. DUE TO ROAD CONSTRUCTION AND AT THE REQUEST OF THE GEORGIA STATE HIGHWAY DEPARTMENT REFERENCE MARKS 1 AND 2 WERE DESTROYED AT THIS TIME AFTER ESTABLISHING REFERENCE MARKS 3 AND 4. A COMPLETE DESCRIPTION FOLLOWS. THE STATION IS LOCATED ABOUT 10 MILE EAST-SOUTHEAST OF FORSYTH, 3.5 MILES NORTHEAST OF THE SMALL COMMUNITY OF BOLINGBROKE, 2.25 MILES WEST OF U.S. HIGHWAY 23 AND ON PROPERTY OWNED BY MR. C.D. MORGAN WHO LIVES IN THE FIRST HOUSE NORTHEAST OF THE STATION. TO REACH FROM THE JUNCTION OF STATE ROUTE 83 AND INTERSTATE 75 AT THE NORTH EDGE OF FORSYTH, GO SOUTHEAST ON INTERSTATE HIGHWAY 75 FOR 6.2 MILES TO THE RUMBLE ROAD EXIT. TAKE THE RUMBLE ROAD EXIT, TURN LEFT AND GO EASTERLY ON RUMBLE ROAD FOR 0.35 MILE TO THE END OF PAVEMENT. CONTINUE EASTERLY ON GRAVEL ROAD FOR 3.3 MILES TO A T-ROAD JUNCTION, TURN LEFT AND GO NORTHEAST FOR 0.85 MILE TO A FORK, TAKE THE LEFT FORK AND GO NORTHERLY ON TAYLOR ROAD FOR 0.3 MILE TO THE STATION ON THE LEFT AS DESCRIBED. THE STATION MARK, A STANDARD DISK STAMPED MORGAN 1974, IS SET IN THE TOP OF A 12-INCH CYLINDRICAL CONCRETE MONUMENT 10 INCHES BELOW THE GROUND SURFACE. IT IS 53 FEET NORTHWEST OF THE CENTER OF THE PROPOSED CENTER OF THE NEW ROAD, 10 FEET NORTHWEST OF THE RIGHT-OF-WAY FENCE AND ON THE HIGHEST GROUND IN THE PASTURE. REFERENCE MARK 3, A STANDARD DISK STAMPED MORGAN 1974 NO 3 1975, IS SET IN THE TOP OF A 12-INCH CYLINDRICAL CONCRETE MONUMENT WHICH PROJECTS 1-INCH ABOVE THE GROUND SURFACE. IT IS 41.5 FEET NORTHWEST OF THE PROPOSED CENTER OF THE NEW ROAD AND 1 FOOT NORTHWEST OF THE RIGHT-OF-WAY FENCE. REFERENCE MARK 4, A STANDARD DISK STAMPED MORGAN 1974 NO 4 1975, IS SET IN THE TOP OF A 12-INCH CYLINDRICAL CONCRETE MONUMENT WHICH PROJECTS 2 INCHES ABOVE THE GROUND SURFACE. IT IS 43 FEET NORTHWEST OF THE PROPOSED CENTER OF THE NEW ROAD AND 1 FOOT NORTHWEST OF THE RIGHT-OF-WAY FENCE. NOTE--NO SUITABLE LOCATION FOR AN AZIMUTH MARK. AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN 10 MILES EAST-SOUTHEAST OF FORSYTH.

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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