FOB   THE    YEAKS   1901-1905,   INCLUSIVE.  25 
Bain  (H.  Foster) — Continued. 
7.  [Geological  nomenclature.] 
Jour.  Geol.,  vol.  12,  pp.  65-66,  1904. 
8.  Reported  gold  deposits  of  the  Wichita  Mountains  [Oklahoma]. 
58th  Cong.,  2d  sess.,  Sen.  Doc.  no.  149,  10  pp.,  1904. 
Describes  the  investigation  of  reputed  gold  deposits  in  Oklahoma.  Includes  a  report  on  the 
assays  by  E.  T.  Allen. 
9.  Reported  gold  deposits  of  the  Wichita  Mountains. 
U.  S.  Geol.  Surv.,  Bull.  no.  225,  pp.  120-122,  1904. 
Describes  the  general  geology  and  the  prospecting  for  gold. 
10.  Reported  ore  deposits  of  the  Wichita  Mountains. 
U.  S.  Geol.  Surv.,  Professional  Paper  no.  31,  pp.  82-93,  1904. 
11.  Lead  and  zinc  deposits  of  Illinois. 
U.  S.  Geol.  Surv.,  Bull.  no.  225,  pp.  202-207,  1904. 
Describes  the  geology,  character,  occurrence,  and  origin  of  the  lead  and  zinc  ores. 
12.  Fluorspar  deposits  of  the  Kentucky-Illinois  district.     Grades  of  ore,  geology  of 
the  district,  and  genesis  of  the  ores. 
Mines  &  Minerals,  vol.  25,  pp.  182-183,  1  rig.,  1904. 
Describes  the  character,  occurrence,  geologic  relations,  genesis,  «  nd  production  of  fluorspar 
deposits  of  southern  Illinois  and  western  Kentucky. 
13.  The  zinc  deposits  of  Missouri. 
Lead  &  Zinc  News,  vol.  8,  pp.  223-225,  1904. 
Describes  the  general  geology  of  the  zinc  districts  of  Missouri,  with  a  generalized  section  of 
the  Boone  formation,  the  geological  structure,  and  the  character,  occurrence,  and  origin  of 
the  zinc-ore  deposits. 
14.  Zinc  and  lead  deposits  of  northwestern  Illinois. 
TJ.  S.  Geol.  Surv.,  Bull.  no.  246,  56  pp.,  5  pis.,  3  figs.,  1905. 
Describes  topographic  features  of  the  region,  the  general  geology,  the  character,  occurrence, 
geologic  relations,  and  origin  of  the  zinc  and  lead  ores,  and  the  mining  developments. 
15.  Portland-cement  resources  of  Iowa. 
U.  S.  Geol.  Surv.,  Bull.  no.  243,  pp.  147-165,  1  pi.,  1905. 
Describes  the  geologic  relations,  distribution,  and  character  of  limestones  in  Iowa  suitable 
for  the  manufacture  of  Portland  cement. 
16.  Lead  and  zinc  resources  of  the  United  States. 
U.  S.  Geol.  Surv.,  Bull.  no.  260,  pp.  251-273,  1905. 
Discusses  the  production  and  uses  of  lead  and  zinc  and  describes  the  character  and  occur- 
rence of  lead  and  zinc  deposits  in  the  United  Stab's. 
17.  Structural  features  of  the  Joplin  district.     Discussion  of  paper  by  C.  E.  Siebenthal. 
Econ.  Geol.,  vol.  1,  pp.  172-174,  1905. 
18.  The  progress  of  economic  geology  in  1905. 
Mg.  Mag.,  vol.  12,  pp.  465-473,  1905. 
19.  The  fluorspar  deposits  of  southern  Illinois. 
U.  S.  Geol.  Surv.,  Bull.  no.  255,  75  pp.,  6  pis.,  1  fig.,  1905. 
Describes  the  physiography  and  general  geology  of  the  region,  the  character,  occurrence,  and 
relations  of  Devonian,  Carboniferous,  and  Tertiary  strata  and  igneous  rocks,  the  geologic 
structure,  and  the  occurrence,  character,  and  origin  of  the  fluorspar  deposits. 
Bain  (H.  Foster)  and  Ulrich  (E.  O.). 
1.  The  copper  deposits  of  Missouri. 
U.  S.  Geol.  Surv.,  Bull.  no.  260,  pp.  233-235,  1905. 
Describes  the  occurrence  and  geologic  relations  of  copper  ores  in  Missouri. 
2.  The  copper  deposits  of  Missouri. 
U.  S.  Geol.  Surv.,  Bull.  no.  267,  52  pp.,  1  pi.,  2  figs.,  1905. 
Describes  the  character,  occurrence,  relations,  and  nomenclature  of  Cambrian  and  Ordovi- 
cian  formations  of  Missouri,  and  the  occurrence  and  mining  of  the  copper-ore  deposits. 
