Gilluly, James., Waters, Aaron and Woodford, A.O. <br/><br/>
Principles of Geology 

 - California  W.H.Freeman & Company  1951 
 - 631 
<br/><br/><label>Subjects--Personal Names: </label> Geology 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology