Modified longwall mining with a German coal planer progress report 2. Completion of mining in three adjacent panels in the Pocahontas no. 4 bed, Helen, W. Va. /
| Main Author: | Haley, Wilbur A. |
|---|---|
| Other Authors: | Quenon, H. A. |
| Format: | Book |
| Language: | English |
| Published: |
[Washington, D.C.] :
U.S. Dept. of the Interior, Bureau of Mines,
1954.
|
| Physical Description: |
13 pages : illustrations ; 27 cm. |
| Series: |
Report of investigations (United States. Bureau of Mines) ;
5062. |
| Subjects: |
CMU Storage Gov Pub
| Location | Call Number: | Status |
|---|---|---|
| CMU Storage Gov Pub | I 28.23:5062 | Available |