Mine transportation and market preparation; mine transportation--hoisting equipment--coal preparation,
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| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
New York [etc]
McGraw-Hill book company, inc.,
1926.
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| Edition: | 1st ed. |
| Series: | Practical coal production.
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| Subjects: |
| Physical Description: | vii, 354 p. illus., diagrs. 21 cm. |
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