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CONTRIBUTIONS    TO   ECONOMIC    GEOLOGY;  1906,  PART    I. 
along  the  streams  are  a  number  of  hay  ranches,  where  the  hardi 
grasses  are  cultivated.  The  higher  country  is  thickly  timbered  with 
spruce  and  pine,  sufficient  for  local  needs  but  of  too  small  size  for  the 
outside  lumber  market. 
. 
MINING  DEVELOPMENT. 
There  are  several  mining  camps  within  the  quadrangle,  of  winch 
the  most  important  are  Philipsburg,  Cable,  Georgetown,  Princeton, 
Combination,  Henderson,  and  Flint.    (See  fig.  L.)     Some  of  these  dial 
Fig.  1.— Index  map  showing  position  of  mining  camps  in  Philipsburg  quadrangle,  Montana. 
tricts  were  among  the  first  in  Montana  to  receive  the  serious  attention 
of  quartz  prospectors.  In  1865  the  St.  Louis  and  Montana  Mining 
Company,  which  was  then  operating  a  small  smelter  at  Argenta, 
Mont.,  acquired  mining  claims  near  the  summit  of  Hope  Hill,  about 
1  mile  north  of  Philipsburg.  At  great  cost  this  company  freighted  in 
a  10-stamp  pan-amalgamation  mill  from  San  Francisco  and  installed 
it  at  Philipsburg.  This  mill  was  still  in  operation  in  the  summer  of 
1906,  and  is  said  to  be  the  oldest  mill  in  Montana,  The  Cable  mine  was 
discovered  in  1866,  and  since  then  has  been  operated  a  great  portion 
