- Author
- Timko, R. J. | Kissell, F. N. | Thimons, E. D.
- Title
- Evaluating Ventilation Parameters of Three Coal Mine Gobs.
- Coporate
- Bureau of Mines, Pittsburgh, PA
- Report
-
IC 9109
1986
21 p. - Keywords
- coal mines | mine ventilation | mine gases
- Abstract
- The Bureau of Mines used sulfur hexafluoride (SF6) tracer gas to evaluate the effectiveness of gob ventilation and/or sealing practices at three coal mines, each having different problems associated with their mined-out areas.