Operating results with the feldspar fine-coal jig / by M.R. Geer and H.F. Yancey.
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Format: | Government Document Book |
Language: | English |
Published: |
Washington, DC :
U.S. Dept. of the Interior, Bureau of Mines,
1958.
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Series: | Report of investigations (United States. Bureau of Mines) ;
5412. |
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