Ordway, Richard J.  1918- <br/><br/>
Earth science and the environment / 
by Richard J. Ordway 
 - New York :  D. Van Nostrand Co,  1974 
 - ix, 486 p. :  ill. ;  23 cm. 
<br/><br/>Bibliography : p. 473-476. 
<br/><br/><label>ISBN: </label>0442262957 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth sciences