Comparative shortwall and room-and-pillar mining costs / by L. E. Green and E. R. Palowitch.
| Author/creator | Green, Larry E. |
| Other author | Palowitch, Eugene R , author. |
| Other author | United States. Bureau of Mines. |
| Format | Book |
| Publication Info | [Washington] : Dept. of the Interior, Bureau of Mines, 1977. |
| Description | [3], 20 p. : ill., maps ; 27 cm. |
| Subjects |
| Series | Information circular - Bureau of Mines ; 8757 United States. Bureau of Mines. Information circular - Bureau of Mines ; 8757. UNAUTHORIZED |
| General note | Work upon which report is based done under cooperative agreement between Bureau of Mines and Beth-Elkhorn Corp. |
| Bibliography note | Includes bibliographical references. |
| GPO item number | 637-A |
| Govt. docs number | I 28.27:8757 |
| Stock number | 20240 |