Durkin, John.
Evaluation of the seismic system for locating trapped miners / by John Durkin and Roy J. Greenfield. - [Washington, D.C.?] : U.S. Dept. of the Interior, Bureau of Mines, 1981. - iii, 55 p. : ill. ; 27 cm. - Report of investigations / Bureau of Mines ; 8567 . - Report of investigations (United States. Bureau of Mines) ; 8567. .
Bibliography: p. 48-50.
81002170
Mine rescue work--Equipment and supplies.
Seismometers.
TN23 TN297 / .U43 no. 8567
622 s 622/.8
Evaluation of the seismic system for locating trapped miners / by John Durkin and Roy J. Greenfield. - [Washington, D.C.?] : U.S. Dept. of the Interior, Bureau of Mines, 1981. - iii, 55 p. : ill. ; 27 cm. - Report of investigations / Bureau of Mines ; 8567 . - Report of investigations (United States. Bureau of Mines) ; 8567. .
Bibliography: p. 48-50.
81002170
Mine rescue work--Equipment and supplies.
Seismometers.
TN23 TN297 / .U43 no. 8567
622 s 622/.8