Study of falls of roof and coal in mines in number 8 field of eastern Ohio.
| Other Authors: | , |
|---|---|
| Format: | Government Document eBook |
| Language: | English |
| Published: |
Washington, D.C. :
[publisher not identified],
1931.
|
| Series: | Mines Bur. Rpt. of Investigation No. 3070
|
| Subjects: | |
| Online Access: | Connect to the full text of this electronic document |
| Item Description: | [With data on employment, production, accidents and fatalities by cause and occupation, time lost, and mine characteristics, by mine] 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. |
|---|---|
| Physical Description: | 1 online resource (32 pages) |
| Format: | System requirements: PDF reader software. |