Branson, E.B. Tarr, W.A. Branson, C.C. Keller, W.D. <br/><br/>
Indroduction to geology 

 - McGRAW-HILL  BOOK COMPANY  N.Y.  1952 
 - 492p.  fig, ill. 
<br/><br/><label>Nat. Bib. No.: </label>1249 
<br/><br/><label>Universal Decimal Class. No.: </label>550.3  / INT