Burdick, Richard G. <br/><br/>
A method for locating abandoned mines / 
by R.G. Burdick, L.E. Snyder, and W.F. Kimbrough. 
 - Pittsburgh, Pa. (Cochrans Mill Rd., P.O. Box 18070, Pittsburgh 15236) :  U.S. Dept. of the Interior, Bureau of Mines,  1986. 
 - ii, 27 p. :  ill. ;  28 cm. 
 - Report of investigations ;  9050 .
 - Report of investigations (United States. Bureau of Mines) ;  9050. .
<br/><br/>Bibliography: p. 9-10. 
<br/><br/><label>LCCN: </label>86600217  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mines and mineral resources.<br/>Abandoned coal mines.<br/>Electric prospecting.<br/>Electric resistance.
<br/><br/><label>LC Class. No.: </label>TN23  TN153  / .U43 no. 9050 
<br/><br/><label>Dewey Class. No.: </label>622 s  622/.14 
<br/><br/><label>Gov. Doc. Class. No.: </label>I28.23:9050