Church, Ronald H. <br/><br/>
Ground-penetrating radar for strata control / 
by Ronald H. Church, William E. Webb, and James R. Boyle, Jr. 
 - Pittsburgh, Pa. (4800 Forbes Ave., Pittsburgh 15213) :  U.S. Dept. of the Interior, Bureau of Mines,  1985. 
 - 16 p. :  ill. ;  28 cm. 
 - Report of investigations / United States Department of the Interior, Bureau of Mines ;  8954 .
 - Report of investigations (United States. Bureau of Mines) ;  8954. .
<br/><br/> Bibliography: p. 16. 
<br/><br/><label>LCCN: </label>84600392  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ground penetrating radar.<br/>Ground control (Mining)<br/>Mine safety--Equipment and supplies.
<br/><br/><label>LC Class. No.: </label>TN23  TN288  / .U43 8954 
<br/><br/><label>Dewey Class. No.: </label>622 s  622/.8 
<br/><br/><label>Gov. Doc. Class. No.: </label>I28.23:8954