Hydraulic coal mining research : equipment and preliminary tests / by J.J. Wallace, G.C. Price, and M.J. Ackerman.
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| Online Access: |
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| Main Author: | |
| Other Authors: | , |
| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington, DC :
U.S. Dept. of the Interior, Bureau of Mines,
1961.
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| Series: | Report of investigations (United States. Bureau of Mines) ;
5915. |
| Subjects: |
| Physical Description: | ii, 25 pages : illustrations ; 28 cm. |
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