Search
Search U.S. government technical reports digitized or harvested by TRAIL.
Keyword Search
6 results returnedSearch results
- Locating miners in smoke-filled mine openings with infrared imagers
- Development of two new oxygen self-rescuers.
- Self-sealing brattice for coal mine rescue and recovery
- Borehole instrumentation for emergency mine rescue operations
- Electromagnetic technique for locating boreholes
- CO₂-absorption characteristics of mine rescue breathing apparatus