Detailed study of 60-day nonfatal underground accidents in Pennsylvania bituminous coal mines during 1939 / by L. C. Ilsley.
Saved in:
| Online Access: |
Search for the full-text version of this title in HathiTrust |
|---|---|
| Main Author: | |
| Corporate Author: | |
| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington, D. C. :
U.S. Dept of the Interior, Bureau of Mines,
1941.
|
| Series: | Information circular (United States. Bureau of Mines) ;
7176. |
| Subjects: |