FOR    THE    YEARS    1901-1905,   INCLUSIVE.  78 
Collier  (Arthur  J.) — Continued. 
3.  The  Glenn  Creek  gold  mining  district,  Alaska. 
U.  S.  Geol.  Surv.,  Bull.  no.  213,  pp.  49-56,  1903. 
Describes  placer  deposits  and  developments  in  this  region. 
4.  Coal  resources  of  the  Yukon  Basin,  Alaska. 
U.  S.  Geol.  Surv.,  Bull.  no.  213,  pp.  276-281,  1903. 
Describes  the  occurrence  of  coal  and  gives  notes  on  the  character  of  the  coals  and  the  mining" 
developments. 
5.  Tin  in  the  York  region,  Alaska. 
Eng.  &  Mg.  Jour.,  vol.  76,  pp.  999-1000,  illus.,  1903. 
Describes  the  occurrence  of  deposits  of  tin  ore. 
6.  Coal-bearing  series  of  the  Yukon. 
Abstract:  Science,  new  ser.,  vol.  17,  p.  (168,  1903. 
Discusses  the  geologic  age  of  the  coal-bearing  formations. 
7.  Tin  deposits  of  the  Yrork  region,  Alaska. 
U.  S.  Geol.  Surv.,  Bull.  no.  225,  pp.  154-167,  1  fig.,  1904. 
Describes  the  general  geology,  and  occurrence  and  character  of  stream  and  lode  tin  deposits. 
8.  The  tin  deposits  of  the  York  region,  Alaska. 
U.  S.  Geol.  Surv.,  Bull.  no.  229,  61  pp.,  6  pis.,  5  figs.,  1901. 
Describes  the  general  geology,  the  character  and  occurrence  of  se  ■imentary  rocks  of  Silurian 
age  and  igneous  rocks,  and  the  character  and  occurrence  in  detail  of  tin-ore  deposits  and 
the  mining  operations.  Gives  a  resume  of  the  occurrence  of  tin  in  the  United  States  and 
other  parts  of  the  world. 
9.  The  coal  fields  of  Cape  Lisburne,  Alaska. 
Am.  Geol.,  vol.  34,  pp.  401-402,  1904. 
Gives  a  brief  account  of  the  situation  and  geologic  age  of  the  coal  fields,  and  the  occurrence 
and  character  of  the  coal  beds. 
10.  Auriferous  quartz  veins  on  Unalaska  Island  [Alaska]. 
U.  S.  Geol.  Surv.,  Bull.  no.  259,  pp.  102-103,  1905. 
Describes  the  general  geology  and  the  occurrence  of  gold-bearing  quartz  veins. 
11.  Recent  development  of  Alaskan  tin  deposits. 
U.  S.  Geol.  Surv.,  Bull.  no.  259,  pp.  120-127,  1  fig.,  1905. 
Describes  the  occurrence  of  lode  and  placer  tin  deposits. 
12.  Coal  fields  of  the  Cape  Lisburne  region  [Alaska] . 
U.  S.  Geol.  Surv.,  Bull.  no.  259,  pp.  172-185,  1905. 
Describes  the  general  geology,  the  character  and  occurrence  of  Paleozoic  and  Mesozoic 
formations,  the  geology,  topography,  and  extent  of  the  Mesozoic  and  Paleozoic  coal  fields 
of  this  region,  and  the  character  of  the  coals. 
Collier  (Arthur  J.),  Brooks  (Alfred  H.)  and. 
1.  Glacial  phenomena  of  the  Seward  Peninsula  [Alaska]. 
See  Brooks  (A.  H.)  and  Collier  (A.  J.),  1. 
Collins  (Arthur  L.). 
1.   [In  discussion  of  "The  origin  of  ore-deposits."] 
Am.  Inst.  Mg.  Engrs.,  Trans.,  vol.  31,  pp.  951-953,  1902. 
Collins  (G.  E.). 
1.  Vein  structure  at  the  Reynolds  mine,  Georgia. 
Eng.  &  Mg.  Jour.,  vol.  72,  pp.  68-70,  11  figs.,  1901;  Inst.  Mg.  &  Met.,  Trans.,  vol.  9,  pp.  365-371, 
5  pis.,  1901. 
Discusses  the  vein  phenomena  in  the  auriferous  crystalline  rocks  of  the  region. 
Collins  (Henry  F. ). 
1.  Notes  on  the  wollastonite  rock  mass  and  its  associated  minerals  of  the  Santa  Fe 
mine,  State  of  Chiapas,  Mexico. 
Mineral.  Mag.,  vol.  13,  pp.  356-362,  1904. 
Describes  occurrence,  origin,  and  crystallographic  features  of  a  rock  mass  of  wollastonite. 
Colton  (Geo.  H.). 
1.  A  possible  cause  of  osars. 
Ohio  Nat.,  vol.  2,  p.  257,  1902. 
