Operating regulations to govern methods of mining oil shale, phosphate, sodium, and potash, and safety and welfare of employees in connection therewith, under Acts approved Feb. 25, 1920 (41 Stat. 437) and Oct. 2, 1917 (40 Stat. 297).
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| Format: | Government Document eBook |
| Language: | English |
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Washington :
U.S. GPO,
1922.
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| Online Access: | Connect to the full text of this electronic document |
| Item Description: | [text]. Record is based on bibliographic data in ProQuest U.S. Executive Branch Documents, 1910-1932. Reuse except for individual research requires license from ProQuest, LLC. Electronic resource. |
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| Physical Description: | 1 online resource (iii+7 pages) |
| Format: | System requirements: PDF reader software. |