Author: | Fay, Albert H. |
---|---|
Year: | 1920 |
Document Type: | USBM |
Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
SUDOC: | I 28.7:245 |
Series: | Technical paper / United States Department of the Interior, Bureau of Mines ; |
Report Number: | 245 |
Subjects: | Mine accidents--United States--Statistics |
Quarries and quarrying--Accidents--United States--Statistics | |
Link: | https://hdl.handle.net/2027/mdp.39015077559931 |