| Periodicals and Newspapers | Save | ||
| 1 | Title: | Directory: Ohio mine operators | |
| Creator: | Ohio Division of Mines. | ||
| Publication: | Ohio Dept. of Industrial Relations, Division of Mines, Columbus, | ||
| Call #: | Pam. O246 | ||
| Extent: | 28 cm. | ||
| Subjects: | Coal mines and mining -- Ohio -- Directories | Mines and mineral resources -- Ohio -- Directories | Ohio imprints 1943 | ||
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