Longwell, Chester R. and Flint, Richard Foster <br/><br/>
An Introduction to Physical Geology 

 - London  John Wiley & Sons, Inc.  1955 
 - 432 
<br/><br/><label>Subjects--Personal Names: </label> Geology 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology