Geer, Max R. <br/><br/>
Disposal of solid wastes from coal mining  in Washington, Oregon, and Montana 

 - Washington :  U.S. Bureau of Mines,  1969 
 - 39 p. 
 - Information circular ;  no. 8430 .
 - United States.  Bureau of Mines.  Information circular ;  no. 8430 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coal mines and mining--Byproducts<br/>Waste products
<br/><br/><label>LC Class. No.: </label>TN295  / U4 no. 8430