Carbonizing properties and constitution of Alma bed coal from Spruce River no. 4 mine, Boone County, W. Va.
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| Format: | Government Document eBook |
| Language: | English |
| Published: |
[Washington] :
[s.n.],
1935.
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| Subjects: | |
| Online Access: | Electronic resource (PDF) |
| Item Description: | Includes illustrations and tables. |
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| Physical Description: | 1 online resource (45 pages), digital, PDF file |