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Field testing the microminer--research continuous miner /
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| Main Author: | |
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| Corporate Author: | |
| Other Authors: | , |
| Format: | Book |
| Language: | English |
| Published: |
[Washington, D.C.] :
U.S. Dept. of the Interior,
1975.
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| Series: | Technical progress report (U.S. Departnent of the Interior.
89. |
| Subjects: | |
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