Longwell, Chester Roy, 1887-. <br/><br/>
Physical geology/ 
Chester R. Longwell, Richard Foster Flint, John E. Sanders. 
 - New York:  John Wiley & Sons,  1969. 
 - 685 p. :   ill. ;   26 cm. 
<br/><br/> includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology.