Mining and grinding methods and costs at the Clay City Pipe Co. Clay Mine, Uhrichsville, Ohio / by E.J. Lintner.
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Format: | Government Document Book |
Language: | English |
Published: |
Washington, D.C. :
U.S. Dept. of the Interior, Bureau of Mines,
1936.
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Series: | Information circular (United States. Bureau of Mines) ;
6913. |
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