Foster, Robert J.,  1929 <br/><br/>
General geology / 
Robert J. Foster 
 - 4th ed. 
 - Columbus :  Merrill,  1983 
 - xiii, 574 p. :  ill. (some col.) ;  29 cm. 
<br/><br/>Includes bibliographies and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology