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Primary view of Fluorspar Deposits in Western Kentucky: Part 1
Williams, James Steele; Duncan, Helen & Hardin, George C., Jr.
1955
Primary view of Fluorspar Deposits in Western Kentucky: Part 2
Trace, Robert D.
1954
Primary view of Fluorspar Deposits in Western Kentucky: Part 3
Thurston, William R.; Hardin, George C., Jr. & Klepser, Harry J.
1954
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