Lindroth, David P.
Electrical properties and attenuation distance of upper Pennsylvanian coal measure rock from southwestern Pennsylvania / by David P. Lindroth, Carl F. Wingquist and Andrew L. Dehler. - Washington : U.S. Dept. of the Interior, Bureau of Mines, 1984. - 27 p. : ill. - Report of investigations ; 8864 .
Rocks--Electric properties.
Ground penetrating radar.
Coal mines and mining--Safety measures.--Pennsylvania
Geology--Pennsylvania.
622.8
Electrical properties and attenuation distance of upper Pennsylvanian coal measure rock from southwestern Pennsylvania / by David P. Lindroth, Carl F. Wingquist and Andrew L. Dehler. - Washington : U.S. Dept. of the Interior, Bureau of Mines, 1984. - 27 p. : ill. - Report of investigations ; 8864 .
Rocks--Electric properties.
Ground penetrating radar.
Coal mines and mining--Safety measures.--Pennsylvania
Geology--Pennsylvania.
622.8