Strength of ore and top rock in the red iron-ore mines of the Birmingham district, Ala.
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| Main Author: | |
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| Corporate Author: | |
| Other title: | Technical report archive and image library. Top rock, Birmingham district. |
| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington, D.C. :
Government Printing Office,
1926.
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| Series: | Technical paper (United States. Bureau of Mines) ;
379. |
| Subjects: |
| Physical Description: | iii, 24 pages : including illustrations, tables ; 24 cm. |
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