278  BIBLIOGRAPHY    OF    NORTH    AMERICAN    GEOLOGY 
Rafter  (George  W.)- 
1.  Hydrology  of  the  State  of  New  York. 
N.  Y.  State  Mus.,  Bull.  85,  902  pp.,  45  pis.,  74  figs.,  and  4  maps,  1905. 
Randolph  (Beverley  S. ). 
1.   [Discussion  of  paper  by  Charles  Catletton,  "  Goal  outcrops."] 
Am.  Inst,  Mg.  Engrs.,  Trans.,  vol.  30,  pp.  1005-1006,  1901. 
Randolph  ( L.  S. ) . 
1.  Virginia  anthracite  coal. 
Cassier's  Mag.,  vol.  27,  pp.  328-336,  8  figs.,  1905. 
Includes  notes  on  the  occurrence  and  character  of  the  coals  in  New  River  field  in  south- 
western Virginia. 
Rangel  (M.  F.). 
1.  Criadero  de  fierro  del  Cerro  de  Mercado,  Durango  [Mexico]. 
Mexico  Inst.  Geol.,  Bull.  no.  16,  pp.  3-14,  2  pis.,  1902. 
Discusses  the  occurrence  of  iron  ore  and  associated  rocks. 
Ransome  (Frederick  Leslie). 
1.  A  report  on  the  economic  geology  of  the  Silverton  quadrangle,  Colorado. 
U.  S.  Geol.  Surv.,  Bull.  no.  182,  pp.  1-265,  16  pis.,  23  figs.,  1901. 
Describes  the  lode  fissures,  the  characters  of  the  ores  and  of  the  stocks  or  masses,  and  the 
origin  of  the  ore  deposits.    Includes  detailed  descriptions  of  special  areas. 
2.  A  peculiar  clastic  dike  near  Ouray,  Colorado,  and  its  associated  deposit  of  silver 
ore. 
Am.  Inst.  Mg.  Engrs.,  Trans.,  vol.  30,  pp.  227-236,  2  figs.,  1901. 
Describes  the  occurrence,  character,  and  origin  of  the  dike  and  of  the  associated  ore  body. 
3.  The  ore  deposits  of  the  Rico  Mountains,  Colorado. 
U.  S.  Geol.  Surv.,  22d  Ann.  Rept.,  pt.  2,  pp.  229-397,  16  pis.,  33  figs.,  1901. 
Describes  general  geologic  structure  and  relations  of  the  region,  the  character  and  occurrence 
of  ore-bearing  veins  and  fissures,  character,  occurrence,  and  origin  of  the  ore  bodies  and 
associated  minerals,  and  the  mining  operations. 
4.  Recent  progress  in  petrology. 
Science,  new  ser.,  vol.  15,  pp.  673-674,  1902. 
5.  Faulting  and  mountain  structure  in  Arizona. 
Abstract:  Science,  new  ser.,  vol.  15,  p.  711,  1902. 
6.  Geology  of  the  Globe  copper  district,  Arizona. 
U.  S.  Geol.  Surv.,  Professional  Paper  no.  12,  168  pp.,  27  pis.,  10  figs.,  1903. 
Gives  an  outline  of  the  physiography  of  Arizona  and  topography  and  general  geology  of  the 
Globe  quadrangle,  and  describes  the  character  and  occurrence  of  igneous  rocks  and  sedi- 
mentary strata  of  Cambrian,  Devonian,  Carboniferous,  Eocene  (?),  and  Quaternary  age, 
the  character,  occurrence,  and  origin  of  the  ores,  chiefly  gold,  silver,  and  copper,  and  the 
mining  operations. 
7.  Copper  deposits  of  Bisbee,  Ariz. 
U.  S.  Geol.  Surv.,  Bull.  no.  213,  pp.  149-157,  1903. 
Describes  the  general  geology  of  the  region,  the  occurrence  and  origin  of  the  ores,  and  the 
mining  operations. 
8.  The  copper  deposits  of  Bisbee,  Arizona. 
Eng.  &  Mg.  Jour.,  vol.  75,  pp.  444-445,  2  figs.,  1903. 
Describes  the  geologic  structure  of  the  region  and  the  character  and  occurrence  of  the  ore 
deposits. 
9.  Genetic  classification  of  ore  deposits. 
Abstract:  Science,  new  ser.,  vol.  17,  p.  542,  1903. 
10.  The  geology  and  copper  deposits  of  Bisbee,  Arizona. 
Am.  Inst,  Mg.  Engrs.,  Trans.,  vol.  34,  pp.  618-642,  6  figs.,  1904. 
Describes  the  geography  and  general  geology,  the  character,  occurrence,  and  relations  of  the 
Paleozoic  and  Mesozoic  sedimentary  strata,  the  intrusions  and  deformation,  the  character, 
occurrence,  and  origin  of  the  copper-ore  deposits,  and  the  mining  operations. 
