330  BIBLIOGRAPHY    OF    NORTH    AMERICAN    GEOLOGY 
Thomas  (Kirby). 
1.  Mining  developments  in  eastern  Ontario. 
Eng.  &  Mg.  Jour.,  vol.  74,  pp.  186-187,  1902. 
2.  Glacial  gold  in  Wisconsin. 
Eng.  &  Mg.  Jour.,  vol.  74,  p.  248,  1902. 
3.  Methods  of  mining  in  the  Vermilion  iron  district  of  Minnesota. 
Mg.  &  Sci.  Press,  vol.  88,  pp.  133-134,  5  tigs.,  1904. 
Describes  the  occurrence,  character,  and  methods  of  mining  the  iron  ores. 
4.  Notes  on  the  geology  of  a  new  iron  district  in  Minnesota. 
Mines  &  Minerals,  vol.  25,  p.  27,  1904. 
Discusses  the  occurrence  of  iron-bearing  formations. 
Thyng  (William  S. ),  Lyon  (D.  A.),  and  Roberts  (Milnor),  Landes  (Henry). 
1.  The  metalliferous  resources  of  Washington,  except  iron. 
See  Landes  (H.),  Thyng  (W.  S.),  Lyon  (D.  A.),  and  Roberts  (M.),  1. 
Tight  (W.  G.). 
1.  Lake  Licking — a  contribution  to  the  buried  drainage  of  Ohio. 
Ohio  State  Acad.  Sci.,  2d  Ann.  Rept.,  pp.,  17-20  [1894]. 
2.  Drainage  modifications  in  Washington  and  adjacent  counties  [Ohio]. 
Ohio  State  Acad.  Sci.,  Special  Papers  no.  3.  pp.  11-31,  .">  pis.,  1900. 
Describes  present  drainage  system  and  topographic  Eeatures  of  this  area  and  their  bearing 
upon  pre-Glacial  drainage. 
3.  Pre-Glacial  drainage  in  southwestern  <  >hio. 
Science,  newser..  vol.  11.  pp.  77r>-77f>,  1901. 
Discusses  recent  article  by  A.  M.  Miller  on  the  same  subject. 
4.  Drainage  modifications  in  southeastern  Ohio  and  adjacent  parts  of  West  Virginia 
and  Kentucky. 
U.  S.  Geol.  Surv.,  Professional  Paper  no.  13.  Ill  pp.,  17  pis.,  1  fig.,  1903. 
Discusses  the  present  drainage  of  the  region  under  consideration,  the  pre-Glacial  drainage  of 
adjacent  regions,  the  general  topographic  features  and  their  relation  to  the  Tertiary 
peneplain,  the  characters  of  the  present  river  valleys,  the  reconstruction  of  theold  drainage 
system,  relations  of  presenl  and  former  drainage  systems  to  one  another  and  to  the  geologic 
structure,  and  the  geologic  events  which  caused  the  drainage  changes. 
5.  Clarence  Luther  Herrick. 
Am.  Geol.,  vol.  36,  pp.  1-26,  1  pi.  (por.),  1905.      • 
Includes  a  list  of  his  published  writings. 
6.  Bolson  plains  of  the  Southwest. 
Am.  Geol.,  vol.  36,  pp.  271-284,  1905. 
Discusses  the  definition  of  bolson  plains  and  its  application  to  the  intermontane  valleys  of 
New  Mexico. 
Tippenhauer  (L.  Gentil). 
1.  Beitrage  zur  Geologie  Haitis. 
Petermanns  Mitteilungen,  Bd.  45,  pp.  25-29,  153-155,  201-204,  3  pis.  (maps),  2  figs.,  1899. 
Describes  the  geology  of  portions  of  the  island  of  Ilayti. 
2.  Beitrage  zur  Geologie  Haitis. 
Petermanns  Mitteilungen,  Bd.  47,  pp.  121-127,  169-178,  193-199,  5  pis.  (maps),  5  figs.,  1901. 
Describes  the  general  geology  of  portions  of  the  island  of  Ilayti,  and  the  occurrence  and 
character  of  deposits  of  iron  and  copper  ores  and  lignite. 
Titcomb  (H.  A.). 
1.  The  Camp  Bird  gold  mine  and  mills  [Colorado]. 
School  of  Mines  Quart.,  vol.  24,  pp.  56-67,  7  figs.,  1902. 
Gives  a  general  account  of  the  geology  and  the  occurrence  of  the  gold  ore  deposits  and  of  the 
mining  Operations. 
Todd  (James  E.). 
1.  River  action  phenomena. 
Geol.  Soc.  Am.,  Bull.,  vol.  12,  pp.  486-490,  1901 
Discusses  the  variations  in  phenomena  of  river  action  in  time  of  Mood  and  the  formation  of 
silt  and  loess  deposits. 
