Wilshire, Howard G. <br/><br/>
Propylitization of tertiary volcanic rocks near ebbetts pass Alpine county, Calfornia. Vol.32 

 - Berkely  University of California Press  1957 
 - 243-271p.  26cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Clypeastroida
<br/><br/><label>LC Class. No.: </label>PAM QE1.C15 Vol.32