John S , Shelton <br/><br/>
Geology illustrated , drawing by hal shelton .// 
John S , Shelton 
 - San prancisco  Sun Prancisco  1966 
 - xii , 434p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology
<br/><br/><label>Dewey Class. No.: </label>551 SHG