Plummer, Charles C. <br/><br/>
Physical geology / 
Charles C. Plummer, David McGeary. 
 - 6th ed. 
 - Dubuque, IA :  WM. C. Brown Publishers,  1993. 
 - xiv, 537 p. :  col. ill. ;  28 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/> Open access. 
<br/><br/><label>ISBN: </label>0697138070 
<br/><br/><label>LCCN: </label>9371981  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology.