The coal fields of Ohio /
| Main Author: | |
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| Other Authors: | |
| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington :
U.S. G.P.O.,
1917.
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| Series: | U.S. Geological Survey professional paper ;
100-B. Coal fields of the United States. |
| Subjects: |
| Item Description: | 1 folded map (Plate II) in pocket. At head of title: Department of the Interior. Includes index. |
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| Physical Description: | iv, 35-96, ix pages, 8 leaves of plates (4 folded) : illustrations, maps ; 29 cm. |