- Author
- Vinson, R. P. | Kissell, F. N.
- Title
- Three Coal Mine Ventilation Studies Using Sulfur Hexafluoride Tracer Gas.
- Coporate
- Bureau of Mines, Philadelphia, PA
- Report
- RI 8142, 1976, 22 p.
- Keywords
- coal mines | mine ventilation | sulfur hexafluoride | tracer tests | air movement | leakage | air flow