Evaluation of the seismic system for locating of trapped miners /
Durkin, John
Evaluation of the seismic system for locating of trapped miners / by John Durkin and Roy Greenfield - Bureau of Mines, Washington : U.S. Dept. of the Interior, 1981 - 55 p. ; 27 cm. - Report of investigations / Bureau of Mines .
81-2170
Mine rescue work--Equipment and supplies
Seismometers
Evaluation of the seismic system for locating of trapped miners / by John Durkin and Roy Greenfield - Bureau of Mines, Washington : U.S. Dept. of the Interior, 1981 - 55 p. ; 27 cm. - Report of investigations / Bureau of Mines .
81-2170
Mine rescue work--Equipment and supplies
Seismometers
