- Author
- Maksimovic, S. D. | Elder, C. H. | Kissell, F. N.
- Title
- Hydraulic Stimulation of a Surface Borehole for Gob Degasification.
- Coporate
- Bureau of Mines, Pittsburgh, PA
- Report
- RI 8228, 1977, 20 p.
- Keywords
- mine ventilation | methane | coal mines | safety | mine gases