Berry, William B. N. <br/><br/>
Growth of a prehistoric time scale, based on organic evolution / 
[by] William B. N. Berry. 
 - San Francisco :  W. H. Freeman,  [1968] 
 - viii, 158 p. :  illus., maps. ;  21 cm. 
<br/><br/>Bibliography: p. 147-152. 
<br/><br/><label>LCCN: </label>68014224 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geological time.
<br/><br/><label>LC Class. No.: </label>QE508  / .B53 
<br/><br/><label>Dewey Class. No.: </label>551.7/01