Operating regulations to govern the methods of mining oil shale, phosphate, sodium, and potash, and the safety and welfare of employees in connection therewith. Under the acts approved February 25, 1920 (41 Stat. 437) and October 2, 1917 (40 Stat. 297)
Book details
- Title
- Operating regulations to govern the methods of mining oil shale, phosphate, sodium, and potash, and the safety and welfare of employees in connection therewith. Under the acts approved February 25, 1920 (41 Stat. 437) and October 2, 1917 (40 Stat. 297)
- Publication year listed
- 1922
- Format
- Public domain eBook
- Reading access
- Free online reader; no registration required
- Source record
- View on Archive.org
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