Sheppard, Richard A. <br/><br/>
Zeolites and associated authigenic silicate minerals in tuffaceous rocks of the big sandy formation, Mohave county, Arizona / 
by Richard A. Sheppard and Arthur J. Gude. 
 -- Washington :   United States Government Printing Office,   1973 
 - 36 p. -- 
 (Geological Survey Professional Paper  ; 830).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arizona<br/>Yacimientos de silicatos
<br/><br/><label>Universal Decimal Class. No.: </label>553.6(791)