Dunbar, Carl Owen,  1891- <br/><br/>
Historical geology / 
by Carl O. Dunbar and Karl M. Waage 
 - 3rd ed. 
 - New York :  John Wiley & Sons,  1969 
 - xi, 556 p. :  ill., maps (part col.), ports. ;  26 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>047122507X 
<br/><br/><label>LCCN: </label>72-089681 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Historical geology<br/>Paleontology