442 
CONTRIBUTIONS   TO   ECONOMIC   GEOLOGY,  1904.        [bull.  260. 
oils  produced  in  all  of  the  other  oil  districts  of  Indian  Territory  and 
Kansas  have  an  asphaltum  base. 
Market. — The  oil  is  sold  principally  to  the  Standard  Oil  Com- 
pany, which  has  constructed  at  Muscogee  a  25,000-barrel  storage 
tank.     A  small  independent  refinery  of  250  barrels  daily  capacity 
AreaofMississippian  Topof  sandstone  1200  Faults 
limestones  to  1500'  above 
Mississippian  limestones 
Oil  wells 
Fig.  21. — Map  of  the  Muscogee  oil  field,  Indian  Territory. 
recently  erected  in  the  city  affords  another  market.  At  present 
(January,  1905)  the  price  obtained  by  the  Muscogee  producers  for 
their  oil  is  $1.10  per  barrel,  the  highest  paid  for  oil  in  the  Indian 
Territory-Kansas  field. 
