Mineral industries education.
| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
State College, Pa. :
Pennsylvania State College,
1950.
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| Subjects: |
| Item Description: | Articles first published as Circulars 31, 33 and 35 of the Mineral Industries Experiment Station, Pennsylvania State College. |
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| Physical Description: | xv, 252 pages : illustrations, color map (on lining papers) ; 24 cm. |
| Bibliography: | Includes bibliographical references. |