Roof support in coal mines in Irwin, Greensburg, and Latrobe basins, Westmoreland County, Pa.
| Other Authors: | , , |
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| Format: | Government Document eBook |
| Language: | English |
| Published: |
Washington, D.C. :
[publisher not identified],
1931.
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| Series: | Mines Bur. Rpt. of Investigation No. 3113
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| Subjects: | |
| Online Access: | Connect to the full text of this electronic document |
| Item Description: | [With data on mine construction, production, absenteeism, and accidents and fatalities by cause and occupation] 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 (77 pages) |
| Format: | System requirements: PDF reader software. |