Operating regulations to govern coal-mining methods and the safety and welfare of miners on leased lands on the public domain, under the act of Feb. 25, 1920 (41 Stat. 437), and amendments thereto, second edition.
| Corporate Author: | |
|---|---|
| Format: | Government Document eBook |
| Language: | English |
| Published: |
[Washington] :
[s.n.],
1938.
|
| Subjects: | |
| Online Access: | Electronic resource (PDF) |
Internet
Electronic resource (PDF)Available Online
| Call Number | Status | Get It |
|---|---|---|
| Available | ||