| Author: | Henderson, Yandell, |
|---|---|
| Additional Authors: | Paul, J. W. |
| Year: | 1917 |
| Document Type: | USBM |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| Series: | Technical paper / United States Department of the Interior, Bureau of Mines ; |
| Report Number: | 82 |
| Link: | https://hdl.handle.net/2027/mdp.39015077560798 |