Washability studies of the Mary Lee bed at the Powhatan mine, Powhatan, Ala. /
Saved in:
| Language: | English |
|---|---|
| Format: | U.S. Federal Government Document Book E-Resource |
Table of Contents:
- "April, 1933."
- "This paper presents the results of work done under a cooperative agreement between the Southern Experiment Station of the United States Bureau of Mines, and the School of Mines, University of Alabama, Tuscaloosa, Ala."