| Author: | Fieldner, A. C. |
|---|---|
| Additional Authors: | Young, W. H., Anderson, R. L., Toenges, Albert L., Cooper, H. M., Abernethy, R. F., Crentz, William L., Snyder, N. H., Fraser, Thomas, Taylor, Dorothy Ann |
| Year: | 1952 |
| Document Type: | N/A |
| Series: | United States Bureau of Mines Reports |
| Report Number: | Bulletin 499 |
| Subject: | Coal. |
| Link: | https://digital.library.unt.edu/ark:/67531/metadc12658/ |