Brobst, Donald Albert,  1925- <br/><br/>
Barite: world production, reserves, and future prospects / 
by Donald A. Brobst 
 - Washington, D.C :  United States Government Printing Office,  1970 
 - v, 46 p.  illus.  23 cm. 
 - Geological Survey bulletin  1321 .
<br/><br/>Bibliography: p. 41-46 
<br/><br/><label>Subjects--Corporate Names: </label><br/>Geological Survey
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Survey--Barite
<br/><br/><label>Dewey Class. No.: </label>553.662