Hurley, Patrick M. <br/><br/>
How old is the earth? 
Patrick M. Hurley 
 - New York  Doubleday & company  1959 
 - 157p. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label> [] 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth science<br/>Physics
<br/><br/><label>Dewey Class. No.: </label>550  / HUR