Lindroth, David P. <br/><br/>
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, D.C.] :  U.S. Dept. of the Interior, Bureau of Mines,  1984. 
 - 27 p. :  ill. ;  28 cm. 
 - Report of investigations ;  8864 .
 - Report of investigations (United States. Bureau of Mines) ;  8864. .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>LCCN: </label>83600391  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rocks--Electric properties.--Pennsylvania<br/>Ground penetrating radar.<br/>Coal mines and mining--Safety measures.--Pennsylvania<br/>Geology--Pennsylvania.
<br/><br/><label>LC Class. No.: </label>TN23  QE431.6.E4  / .U43 no. 8864 
<br/><br/><label>Dewey Class. No.: </label>622 s  622/.8 
<br/><br/><label>Gov. Doc. Class. No.: </label>I 28.23:8864