Evaluation of present-day mining instruction /
| Main Author: | |
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| Other Authors: | |
| Format: | Book |
| Language: | English |
| Published: |
State College, Pa. :
Pennsylvania State College, School of Mineral Industries,
1942.
|
| Series: | E & MS experiment station circular ;
no. 14. |
| Subjects: |
| Physical Description: | v, 38 pages |
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