Yasowsky, Phillip N. <br/><br/>
Mineral deplation allowances and U.S. import dependence / 
Phillip N. Yasowsky and Annette P. Graham 
 - Washington, D.C. :  United States Government Printing Office,  1980 
 - 13 p. ;  27 cm. 
 - Bureau of mines information circular ;  8824 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mineral industries<br/>Mining--production economics
<br/><br/><label>Dewey Class. No.: </label>338.20973