Mine Rescue and Survival Interim Report (1969) / Chapter Skim
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Introduction
Introduction
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Coal mine explosions propagate so rapidly that the only protection against explosive forces is prevention of ignition or rapid quenching of explosions once ignitions have occured. Rapid quenching techniques are being investigated for an advanced mine rescue and survival system, but cannot be developed in time to be a part of the system described here; and ignition prevention is beyond the scope of this study.
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The records of coal mine disasters show very clearly that many more miners would have survived had they known the proper course of action to follow. The proposed system consists of a survival subsystem using improved emergency breathing devices and refuge chambers, a communications subsystem using seismic or electromagnetic devices to locate and communicate with survivors, and a rescue subsystem of large- and small-hole drilling equipment and rescue teams.
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