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Details for Benchmark: JD0379

N 38° 40.483 W 092° 51.767 (NAD 83)

Altitude: 953.08

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

Location:
In MORGAN county, MO View Original Datasheet
Designation:
SYRACUSE RM 1 AZIMUTH
Marker Type:
reference mark 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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Returning from a caching trip and took the time to stop and verify the location.
Old Professor - Tipton, Mo

Found after work today. Survey marker is gone but disk is in good shape.

[Photos:]
photoJD0379 Closeup
photoJD0379 Looking North
Just North of Hwy 50 on Hwy 5 looking towards Loganbill elevator (used to be called Veuhelman's elevator a few years ago).
photoJD0379 Looking South towards RR & Hwy 5o

RECOVERED THIS ONE ON THE WAY TO MOGA 2007.
MARK IN GOOD SHAPE.
WISH I COULD HAVE FOUND THE STATION MARK.

[Photos:]
photoSYRACUSE RM 1 AZIMUTH
SYRACUSE REFERENCE MARK 1 AZIMUTH
photoSYRACUSE RM 1 AZIMUTH SOUTH
SYRACUSE REFERENCE MARK 1 AZIMUTH LOOKING SOUTH
photoSYRACUSE RM 1 AZIMUTH WEST
SYRACUSE REFERENCE MARK 1 AZIMUTH LOOKING WEST
N 38° 40.422 W 092° 51.552

Witness Post is Gone

[Photos:]
photoJD0379

Documented History (by the NGS)

01/01/1928 by CGS (MONUMENTED)
01/01/1963 by NGS (GOOD)
DESCRIBED BY NATIONAL GEODETIC SURVEY 1963 1 MI NE FROM SYRACUSE. ABOUT 0.8 MILE EAST ALONG THE MISSOURI PACIFIC RAILROAD FROM THE STATION AT SYRACUSE, THENCE 0.15 MILE NORTH ALONG STATE HIGHWAY 5, 30 FEET WEST OF THE CENTERLINE OF THE HIGHWAY, 1.0 FOOT EAST OF THE T-JUNCTION OF TWO FENCES, 1.5 FEET NORTH OF A METAL WITNESS POST, ABOUT 2 FEET ABOVE THE LEVEL OF THE HIGHWAY, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.2 FOOT.

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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