Preparation characteristics of coal from Preston County, W. Va
| Main Author: | Gray, Thomas E. |
|---|---|
| Other Authors: | Palowitch, E. R. |
| Format: | Book |
| Language: | English |
| Published: |
Washington, DC :
U.S. Dept. of the Interior, Bureau of Mines,
1961.
|
| Physical Description: |
ii, 37 pages : illustrations ; 28 cm. |
| Series: |
Report of investigations (United States. Bureau of Mines) ;
5721. |
| Subjects: |