THE  ROGUE  RIVER  VALLEY  COAL  FIELD,  OREGON. 
By  J.  S.  Diller. 
LOCATION. 
Coal  occurs  at  numerous  localities  in  the  Rogue  River  valley  of 
southwestern  Oregon,  between  the  Cascade  Mountains  on  the  east 
Fig.  6.— Map  of  Rogue  River  valley  and  other  coal  fields  of  southwestern  On 
and  the  Klamath  Mountains,  locally  called  the  Siskiyou  Mountains, 
on  the  west.     The  long,  narrow  coal  belt,  as  outlined  in  fig.  6,  begins 
71497— Bull.  341— 00—     26  401 
