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Details for Benchmark: EE0063

N 34° 13.850 W 084° 29.417 (NAD 83)

Altitude: 868.49

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

Location:
In CHEROKEE county, GA View Original Datasheet
Designation:
868.6
Marker Type:
chiseled square
Setting:
light structures
Stability:
Mark of questionable or unknown stability.

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Recovered in god condition. The railrod has cut down all the vegetation around the bridge supports, which makes accessing the station much easier.

This entry was edited by foxtrot_xray on Saturday, 02 October 2010 at 18:34:45.

[Photos:]
photoChiseled Square
photoComplete Engravings
.. including the date at the bottom, 2-11-27
photoView NW (Railroad N)
N 34° 13.855 W 084° 29.429

Station recovered as described in good condition. Coordinates listed above. Markings are in excellent condition for a 1927-dated benchmark.

[Photos:]
photoBM_EE0063_1.jpg
photoBM_EE0063_2.jpg
photoBM_EE0063_3.jpg
photoBM_EE0063_4.jpg
photoBM_EE0063_5.jpg

Recovered as described. In surprisingly good condition.

Documented History (by the NGS)

Unknown by USGS (MONUMENTED)
01/01/1972 by NGS (GOOD)
DESCRIBED BY NATIONAL GEODETIC SURVEY 1972 AT CANTON. AT CANTON, ALONG THE LOUISVILLE AND NASHVILLE RAILROAD, 205 YARDS SOUTHEAST OF THE STATION, 47 FEET NORTHWEST OF THE CENTER OF A CROSSING OF THE RAILROAD AND STATE HIGHWAYS 20 AND 140, 15 FEET SOUTHWEST OF THE SOUTHWEST RAIL, A CHISELED SQUARE IN THE TOP OF THE 1ST STEP BELOW THE TOP OF THE SOUTH MARBLE WING WALL FOR A SMALL RAILROAD BRIDGE, 0.5 FOOT SOUTHEAST OF THE FIGURE 8 IN THE FIGURES 868.466 D.C. ELEV. WHICH ARE CUT IN THE MARBLE, 28.9 FEET SOUTHEAST OF BENCH MARK E 57, 0.7 FOOT BELOW THE TOP OF THE WINGWALL, AND ABOUT 3 FEET BELOW THE LEVEL OF THE TRACK.

Control Text

  • The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds.
  • The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991.
  • The geoid height was determined by GEOID99.
  • The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.).
  • The modeled gravity was interpolated from observed gravity values.

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