Gilluly, James. <br/><br/>
Principles of geology / 
James Gilluly, Aaron C. Waters and A.O. Woodford. 
 - 3rd ed. 
 - San Fransisco:  W.H . Freeman,  1951. 
 - 687p.:  ill (some col).; 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geogaphy.--Geology.
<br/><br/><label>Dewey Class. No.: </label>550