Geological society of America symposium on the palynology of the late cretaccous and early tertiary (Nov.14, 1966: America)  edited by Aureal T. Cross. 

 - Colorado  Geological Society of America  1970 
 - viii, 396p.: ill. 23cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology - United States.
<br/><br/><label>Dewey Class. No.: </label>551.783  / G27S