- Author
- McCulloch, C. M. | Diamond, W. P. | Bench, B. M. | Deul, M.
- Title
- Selected Geologic Factors Affecting Mining of the Pittsburgh Coalbed.
- Coporate
- Bureau of Mines, Philadelphia, PA
- Report
-
RI 8093
1975
77 p. - Keywords
- coal mines | methane | thickness | geology
- Identifiers
- Pennsylvania; West Virginia