Cox, Dennis P. <br/><br/>
Introductory geology   : a programmed text 

 - San Fransisco  : W. H. Freeman and Company  1965 
 - 140p.  : ill.  ; 25cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology
<br/><br/><label>LC Class. No.: </label>QE41.C6