Mineral commodity summeries 

 - Washington, D.C.  U.S. Dept. of the Interior, Bureau of Mines  1978- 
<br/><br/> Issued also to depository libraries in microfiche, -1996; not distributed to depository libraries in microfiche, 1997 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mineral industries--United States--Statistics--Periodicals.
<br/><br/><label>GPO Item No.: </label>0621-J(online) 
<br/><br/><label>Gov. Doc. Class. No.: </label>I 28.148: