Plummer, Charles C. <br/><br/>Physical geology Charles C. Plummer and David McGreary   -- 6th ed.  -- Dubuque, IA  Wm.C. Brown Publishers  1993 <br/>xiv, 537p.  ill., col.  28cm. <br/><br/> Includes index. <br/><br/><label>ISBN: </label>0697138070 <br/><br/><label>Subjects--Topical Terms: </label><br/>Physical geology<br/><br/><label>Dewey Class. No.: </label>GC 551 P736 1993