Willian H Emmons , Ira S Allison,Stuffer , Thiel <br/><br/>
Geology  Principles and Process 
Willian H Emmons , Ira S Allison,Stuffer , Thiel 
 - New York    Mac Graw - Hill  1960 
<br/><br/><label>Dewey Class. No.: </label>551  / EMM.G