Allen, Milton Arthur,  1890- <br/><br/>
Barytes, 
by M. A. Allen and G. M. Butler. 
 - Tucson, Ariz.,  University of Arizona, Bureau of Mines  [1919] 
 - 18 p.  illus. 
 - Arizona. Bureau of Mines. Bulletin  no. 99. Mineral technology series, no. 22 .
 - University of Arizona.  State Bureau of Mines.  Bulletin ;  99. .
<br/><br/> Cover title.  At head of title: University of Arizona bulletin ... 
<br/><br/>"Selected bibliography": p. 17-18. 
<br/><br/><label>LCCN: </label>gs 19000411  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Barite.
<br/><br/><label>LC Class. No.: </label>TN948.B18  / A4 
<br/><br/><label>Gov. Doc. Class. No.: </label>MN 1.3:B 85/99