4  CONTENTS. 
Page. 
Iron  and  manganese. 1 72 
Alabama : 
The  "Clinton"  or  red  ores  of  northern  Alabama,  by  E.  C.  Eckel 172 
Kentucky: 
The  iron  ores  of  Bath  County,  by  E.  M.  Kindle 180 
Virginia: 
The  Oriskany  and  Clinton  iron  ores  of  Virginia,  by  E.  C.  Eckel 183 
The  brown  ores  of  the  New  River-Cripple  Creek  district,  by  R.  J.  Ilolden. .        190 
Western  United  States  and  British  Columbia: 
Iron  ores  of  the  western  United  States  and  British  Columbia,  by  C.  K. 
Leith 194 
Survey  publications  on  iron  and  manganese 201 
Coal,  lignite,  and  peat. 203 
General  United  States: 
Survey  work  on  coal  during  1905,  by  M.  R.  Campbell 203 
Alabama: 
The  Warrior  coal  basin  in  the  Birmingham  quadrangle,  by  Charles  Butts. .       211 
California: 
Coal  in  the  Mount  Diablo  Range,  Monterey  County,  by  Ralph  Arnold 223 
Colorado-New  Mexico : 
The  Yampa  coal  held,  Routt  County,  Colo.,  by  N.  M.  Fenneman  and  II.  S. 
Gale 226 
The  Engle  coal  field,  New  Mexico,  by  W.  T.  Lee 240 
The  Durango-Gallup  coal  field  of  Colorado  and  New  Mexico,  by  F.  C. 
Schrader 241 
Kentucky : 
~Coal  resources  of  the  Kenova  quadrangle  [Ky.-Ohio-W.  Va.],   by  W.  C. 
Phalen 259 
Montana : 
Development  of  the  Bear  Creek  coal  fields,  by  C.  A.  Fisher 269 
Pennsylvania : 
The  Clearfield  coal  field,  by  G.  II.  Ashley 271 
The  Punxsutawney  and  Glen  Campbell  coal  fields  of  Indiana  and  Jefferson 
counties,  by  F.  B.  Peck  and  G.  II.  Ashley 276 
Utah: 
Coal  in  Sanpete  County,  by  G.  B.  Richardson 280 
Notes  on  the  Weber  River  coal  field,  by  J.  A.  Taff 285 
The  Book  Cliffs  coal  field,  west  of  Green  River,  by  J.  A.  Taff 289 
Wyoming-Montana-North  Dakota : 
Mineral  resources  of  the  Bighorn  Mountain  region,  by  N.  II.  Darton 303 
Mineral  resources  of  the  Bighorn  Basin,  by  C.  A.  Fisher 311 
The  North  Dakota-Montana  lignite  area,  by  A.  G.  Leonard 316 
Coal  and  oil  in  southern  Uinta  County,  by  A.  C.  Veatch 331 
Survey  publications  on  coal,  lignite,  and  peat 354 
Petroleum  and  natural  gas 357 
California: 
The  Salt  Lake  oil  field  near  Los  Angeles,  by  Ralph  Arnold 357 
Pennsylvania: 
The  Nineveh  and  Gordon  oil  sands  in  western  Greene  County,  by  F.  G. 
Clapp 362 
Survey  publications  on  petroleum  and  natural  gas 367 
Asphalt 369 
Utah: 
Ozokerite  deposits  in  Utah,  by  J.  A.  Taff  and  C.  D.Smith 369 
Survey  publications  on  asphalts 373 
