U.  S    GEOLOGICAL  SURVEY 
BULLETIN    N0.34I        PL  I 
MAP  OF  THE  WESTERN  PART  OF  THE  YAMPA  COAL  FIELD,  ROUTT  COUNTY,  COLORADO 
By  Hoyt  S.  Gale,  J.  A.  Davis,  and  C.  W.  Stoops 
