Sheridan, David <br/><br/>
Hard rock mining on the public land / 
written by David Sheridan ; illustrated by Margaret Lizbeth Carr 
 - Washington, D.C. :  Council of Environmental Quality,  1977 
 - vii, 37 p. :  ill. ;  27 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mines and mineral resources--Government ownership--United States<br/>Public lands--United States
<br/><br/><label>Dewey Class. No.: </label>333.10973