Contributions to economic geology (short papers and preliminary reports), 1925 : part II - Mineral fuels /
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| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington, D.C. :
U.S. G.P.O.,
1926.
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| Subjects: |
| Item Description: | Part of illustrative matter in back pocket. |
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| Physical Description: | 29 pages : illustrations, vi plate (some folded) ; 24 cm. |