Foster, Robert J. <br/><br/>
Geology / 
by Robert J. Foster. 
 - 6th ed. 
 - New York, N.Y. :  MacMillan,  1991. 
 - v, 228 p. 
<br/><br/><label>ISBN: </label>0675211247 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology.