Fiftieth anniversary volume, 1905-1955 /
| Uniform Title: | Economic geology. |
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| Other Authors: | |
| Format: | Book |
| Language: | English |
| Published: |
Urbana, Ill. :
Economic Geology Pub. Co.,
1955.
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| Subjects: |
| Physical Description: | 2 volumes (iii, 1130 pages) : illustrations ; 25 cm. |
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