United states contributions to quaternary research  papers prepared on the Occasion of the VIII congress of the InternationalAssociation for Quaternary Research Paris, France, 1969 
Edited by Stanley A. Schum and William C. Bradley 
 - Boulder, Colo.  Geological Society of America  1969 
 - vii, 305 p.: ill. ; 23 cm. 
 - Special papers (Geological Society of America) no.123. .
<br/><br/> At head of title: Collected papers. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>0813721237 
<br/><br/><label>LCCN: </label>71-90050 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology, Stratigraphic--Quaternary<br/>Geology--United States