Shelton, John S. <br/><br/>
Geology illustrated / 
John S. Shelton, Drawings by Hal Shelton. 
 - San Francisco :  W.H. Freeman,  1966. 
 - xii, 434 p. :  ill., maps. 
<br/><br/>Bibliography: p. 425. 
<br/><br/><label>LCCN: </label>66016380 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology.