BIBLIOGRAPHY.  425 
Recent  work  in  the  coal  field  of  Indiana  and  Illinois,  by  M.  L.  Fuller  and  G.  II. 
Ashley.     Bull.  No.  213,  1903,  pp.  284-293. 
Patoka  folio,  Indiana-Illinois;  description,  by  M.  L.  Fuller  and  F.  G.  Clapp.  Geo 
logic  Atlas  U.  S.,  folio  105,  1904,  pp.  7-9. 
Coal  investigation  in  the  Saline-Gallatin  field,  Illinois,  and  the  adjoining  area,  by 
F.  W.  De  Wolf.     Bull.  No.  316,  1907,  pp.  116-136. 
INDIANA. 
Danville  folio,  Illinois-Indiana;  description,  by  M.  R.  Campbell.  Geologic  Atlas 
U.  S.,  folio  67,  1900,  pp.  6-7. 
The  eastern  interior  coal  field,  by  G.  H.  Ashley.  Twenty-second  Ann.  Kept.,  pt.  5, 
1902,  pp.  265-305. 
An  account  of  the  coal  field  embracing  parts  of  Indiana,  Illinois,  and  Kentucky. 
Ditney  folio,  Indiana;  economic  geology,  by  G.  H.  Ashley.  Geologic  Atlas  U.  S., 
folio  84,  1902,  p.  7. 
Recent  work  in  the  coal  field  of  Indiana  and  Illinois,  by  M.  L.  Fuller  and  G.  H. 
Ashley.     Bull.  No.  213,  1903,  pp.  284-293. 
Patoka  folio,  Indiana-Illinois;  description,  by  M.  L.  Fuller  and  F.  G.  Clapp.  Geo- 
logic Atlas  U.  S.,  folio  105,  1904,  pp.  7-9. 
INDIAN  TERRITORY.     See  OKLAHOMA. 
IOWA. 
Sketch  of  the  coal  deposits  of  Iowa,  by  C.  R.  Keyes.     Mineral  Resources  U.  S.  for 
1892,  1893,  pp.  398-404. 
The  western  interior  coal  field,  by  H.  F.  Bain.  Twenty-second  Ann.  Rept.,  pt.  3, 
1902,  pp.  333-366. 
An  account  of  the  coal  field  occupying  portions  of  Missouri,  Kansas,  Nebraska,  and  Iowa. 
KANSAS. 
The  western  interior  coal  field,  by  H.  F.  Bain.  Twenty-second  Ann.  Rept.,  pt.  3, 
1902,  pp.  333-366. 
An  account  of  the  coal  field  occupying  portions  of  Missouri,  Kansas,  Nebraska,  and  Iowa. 
Stratigraphy  and  paleontology  of  the  upper  Carboniferous  rocks  of  the  Kansas  sec- 
tion, by  G.  I.  Adams,  G.  H.  Girty,  and  David  White.     Bull.  No.  211,  1903,  123  pp. 
Includes  notes  on  the  occurrence  of  coal  beds. 
Economic  geology  of  the  Iola  quadrangle,  Kansas,  by  G.  I.  Adams,  E.  Haworth, 
and  W.  R.  Crane.     Bull.  No.  238,  1904,  pp.  74-75. 
Notes  the  occurrence  of  coal  of  no  economic  value. 
Economic  geology  of  the  Independence  quadrangle,  Kansas,  by  F.  C.  Schradcr  and 
E.  Haworth.     Bull.  No.  296,  1906.     Coal,  pp.  48-52. 
Joplin  district  folio,  Missouri- Kansas;  description,  by  W.  S.  T.  Smith  and  C.  E. 
Siebenthal.     Geologic  Atlas  U.  S.,  folio  148,  1907,  pp.  19-20. 
Independence  folio;  description,  by  F.  C.  Schrader.  Geologic  Atlas  U.  S.,  folio 
159,  1908,  p.  6. 
KENTUCKY. 
The  coal  fields  of  Kentucky,  by  J.  R.  Proctor.     Mineral  Resources  U.  S.  for  1892, 
1893,  pp.  415^17. 
Geology  of  the  Big  Stone  Gap  coal  field  of  Virginia  and  Kentucky,  by  M.  R.  Camp- 
bell.    Bull.  No.  111.  1893,  106  pp. 
Estillville  folio,  Kentucky-Virginia-Tennessee;  description,  by  .Mr.  R.  Campbell. 
Geologic  Atlas  U.  S.,  folio  12,  1894. 
Richmond  folio,  Kentucky;  description,  by  M.  1!.  (  ampbell.  Geologic  Atlas  U.  S. 
folio  46,  1898. 
