Longwell, Chester R <br/><br/>
A Textbook Of Geology. 
 Part-I. 
BY Chester R Longwell, Adolph Knopf & Richard F Flint. 
 - 2nd ed. 
 - New york:  John Willey & Sons Inc,  1947. 
 - 543p.:  20cm. 
<br/><br/>Index. 
<br/><br/><label>Subjects--Index Terms: </label>Geology, hydrology & meteorology, Geography 
<br/><br/><label>Dewey Class. No.: </label>551