Ward, Dederick C. <br/><br/>
Geologic reference sources :  a subject and regional bibliography of publications and maps in the geological sciences / 
by Dederick C. Ward, Marjorie W. Wheeler, Robert A. Bier, Jr 
 - 2nd ed. 
 - Metuchen, N.J. :  Scarecrow Press,  1981 
 - xxv, 560p. ;  23 cm. 
<br/><br/>Includes indexes 
<br/><br/><label>LCCN: </label>81-004770 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Bibliography