Some practical aspects of appraising coal-washing results / by H.F. Yancy and M.R. Geer.
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Format: | Government Document Book |
Language: | English |
Published: |
[Washington, D.C.] :
U.S. Dept. of the Interior. Bureau of Mines,
1955.
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Series: | Report of investigations (United States. Bureau of Mines) ;
5153. |
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