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Geology and coal deposits of the Shelburn quadrangle, Sullivan County, Indiana
Courtney Waddell
1954, Coal Map 17
The Shelburn quadrangle is the fifth in a series of quadrangle maps prepared as a part of a program by the Geological Survey, Indiana Department of Conservation, and the U.S. Geological Survey to appraise the coal resources of Indiana.  The field work was done by the writer, assisted by Dick...
Geology and coal deposits of the Hymera quadrangle, Sullivan County, Indiana
Charles Eugene Wier
1954, Coal Map 16
The Hymera quadrangle is the fourth of a series of quadrangles that are being mapped by the Geological Survey, Indiana Department of Conservation, in cooperation with the United States Geological Survey, as part of a program of study and reappraisal of Indiana coal resources.  The field work was done by...