Cox, D.P. <br/><br/>
Geology:  principles and concepts 
Dennis P. Cox and Helen R. cox 
 - San francisco  W.H.Freeman  1974 
 - ix, 236p  Hbk. 
<br/><br/><label>ISBN: </label>0716702622 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology