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NGS Calibration Baseline – Disk 100 Ft
Posted by: Groundspeak Premium Member 8Nuts MotherGoose
N 37° 51.935 W 089° 13.973
16S E 303589 N 4193251
Quick Description: This disk is one of the points in the National Geodetic Survey Gerstenschlager Calibration Baseline.
Location: Illinois, United States
Date Posted: 7/15/2010 8:50:10 PM
Waymark Code: WM98Y0
Published By: Groundspeak Premium Member Ernmark
Views: 1

Long Description:
Although it is stamped 100 Ft, the disk is located southerly along the old railroad bed 110 meters from Disk 0 M. Discription from the NGS Web site:
THE BASE LINE IS A NORTH-SOUTH LINE WITH THE 0-METER POINT LOCATED ON THE NORTH END. THE CBL CONSISTS OF THE 0, 150, 430, AND 1100- METER POINTS WITH A 100-FOOT TAPE CALIBRATION STATION SOUTH OF AND ON LINE WITH THE 0-METER POINT. ALL POINTS ARE SET ON A LINE WHICH RUNS PARALLEL TO THE WEST EDGE OF OLD U.S. HIGHWAY 51 AND EAST OF THE ILLINOIS CENTRAL RAILROAD TRACKS.
Condition: Mark found in good condition

Designation: 100 Ft

Benchmark Agency: National Geodetic Survey

Monumentation type: other (not any of the below)

Monumentation type (if other): Calibration Baseline

County: Jackson

USGS 7.5' Topographic Quadrangle Name (optional): De Soto

Find type: Found by luck/skill/knowledge

Web address of this benchmark's datasheet (optional): [Web Link]

Benchmark Agency (if other): Not listed

Special category (optional): Not listed

Special Category (if other): Not listed

NGS PID: Not listed

Local database's URL (optional): Not listed

Visit Instructions:
  1. A closeup photo of the mark taken by you is required.
  2. A 'distant' photo including the mark in the view is highly recommended. Include the compass direction you faced when you took the picture.
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