Mineral facts and problems  1980 Edition 
by the staff, Bureau of Mines 
 - Washington  U.S. Department of the Interior, Bureau of Mines  1981 
 - Quinquennial 
 - [1956 ed.]- Ceased publication. 
 - Bulletin  671 .
 - 1956-<1985>: Bulletin / Bureau of Mines .
 - Bulletin (United States. Bureau of Mines) .
<br/><br/>
<br/><br/><label>LCCN: </label>56060859  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mineral industries--United States--Periodicals<br/>Mines and mineral resources--United States--Periodicals
<br/><br/><label>LC Class. No.: </label>TN23  / .U4 subser. 
<br/><br/><label>Dewey Class. No.: </label>338.2 
<br/><br/><label>GPO Item No.: </label>0636 
<br/><br/><label>Gov. Doc. Class. No.: </label>I 28.3: I 28.3/2: