Mineral resources of the Appalachian region, 
by the U.S. Geological Survey and the U.S. Bureau of Mines. 
 - Washington,  U.S. Govt. Print. Off.,  1968. 
 - xvi, 492 p.  illus., maps (part col.)  29 cm. 
 - Professional paper  580 .
 - Geological Survey professional paper ;  580. .
<br/><br/> Part of illustrative matter fold. in pocket. 
<br/><br/>Bibliography: p. 466-492. 
<br/><br/><label>LCCN: </label>gs 67000288 //r852 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mines and mineral resources--Appalachian Region.<br/>Geology--Appalachian Region.
<br/><br/><label>LC Class. No.: </label>QE75  / .P9 no. 580 
<br/><br/><label>Dewey Class. No.: </label>553/.0974