Knox and Yingling fluorite mines, Hardin County, Ill. / by H.L. Burmeister.

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Bibliographic Details
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Main Author: Burmeister, Harry Louis
Corporate Author: United States. Bureau of Mines
Format: Government Document Book
Language:English
Published: Washington, D.C. : U.S. Dept. of the Interior, Bureau of Mines, 1952.
Series:Report of investigations (United States. Bureau of Mines) ; 4856.
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