| Additional Authors: | Fay, Albert H. |
|---|---|
| Year: | 1915 |
| Document Type: | USBM |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.7:128 |
| Series: | Technical paper / United States Department of the Interior, Bureau of Mines ; |
| Report Number: | 128 |
| Subjects: | Mine accidents--United States--Statistics |
| Quarries and quarrying--Accidents--United States--Statistics | |
| Link: | https://hdl.handle.net/2027/mdp.39015077561564 |