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Room and pillar retreat mining : a manual for the coal industry
| Content Provider | Library of Congress |
|---|---|
| Author | Kauffman, Peter W. Hawkins, Steven A. Thompson, Robert R. |
| Sponsorship | The Library of Congress |
| Related Links | http://archive.org/details/roompillarretrea00kauf |
| Page Count | 254 |
| File Size | 14094645 |
| File Format | |
| Language | English |
| Publisher Date | 1981-01-01 |
| Publisher Department | U.S. Dept. of the Interior, Bureau of Mines |
| Part of Series | Library of Congress Americana |
| Requires | PDF viewer Plugin |
| Access Restriction | Open |
| Subject Keyword | Coal mines and mining Pillaring (Mining) |
| Content Type | Text |
| Resource Type | Manual |