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| 1 | Title: | Geological Survey of Ohio: its work, history, and publications. Ohio's mineral resources | |
| Creator: | Geological Survey of Ohio | ||
| Publication: | F.J. Heer, Columbus, Ohio,1938. | ||
| Notes: | Cover title. | ||
| Call #: | Pam. O230 | ||
| Extent: | 15 p. ; 21 cm. | ||
| Subjects: | Geology -- Ohio | Ohio imprints 1938 | ||
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