100  BIBLIOGRAPHY    OF    NORTH    AMERICAN    GEOLOGY 
Diller  (Joseph  Silas) — Continued. 
7.  Volcanic  rocks  in  Martinique  and  St.  Vincent,  collected  by  Robert  T.  Hill  and 
Israel  C.  Russell. 
Nat.  Geog.  Mag.,  vol.  13,  pp.  285-296,  1902. 
Describes  the  microsopic  characters  of  these  specimens. 
8.  The  wreck  of  Mt.  Mazama  [Oregon]. 
Science,  new  ser.,  vol.  15,  pp.  203-211,  1902. 
Sketches  the  geologic  history  and  formation  of  the  Cascade  Range,  describes  the  formation 
and  wrecking  of  Mt.  Mazama,  and  discusses  the  evidences  for  the  manner  of  its  wrecking. 
9.  Volcanic  dust  from  Guatemala. 
Abstract:  Science,  new  ser.,  vol.  16,  p.  1029,  1902. 
10.  Topographic  development  of  the  Klamath  Mountains. 
U.  S.  Geol.  Survey.,  Bull.  no.  196,  69  pp.,  13  pis.,  7  tigs.,  1902. 
A  supplement  contains  notes  on   the  geologic  age  of  some  of  the  rocks  of  the  Klamath 
Mountains. 
11.  Port  Orford  folio,  Oregon. 
U.  S.  Geol.  Surv.,  Geol.  Atlas  of  U.  S.,  folio  no.  89,  1903. 
Describes  topography,  geologic  history,  character,  and  occurrence  of  pre-Cretaceous,  Cretace- 
ous, Tertiary,  and  surficial  deposits  and  igneous  rocks,  coal,  gold,  and  platinum  minerals. 
12.  Klamath  Mountains  section,  California. 
Am.  Jour.  Sci..  4th  ser.,  vol.  15,  pp.  342-362,  1903. 
Describes  general  distribution  and  structural  relations  of  Paleozoic,  Mesozoic,  and  Cenozoic 
formations  of  the  Klamath  Mountains  and  occurrence  and  characters  of  eruptive  rocks. 
Contains  reports  on  fossils  by  Charles  Schuchert,  George  H.  Girty,  Wm.  M.  Fontaine,  David 
White,  F.  H.  Knowlton,  T.  W.  Stanton,  and  W.  H.  Dall. 
13.  Copper  deposits  of  the  Redding  region,  California. 
U.  S.  Geol.  Surv.,  Bull.  no.  213,  pp.  123-132,  1903. 
Describes  sedimentary  and  igneous  rocks  of  the  region  and  their  geologic  relations  and  char- 
acter and  occurrence  of  the  ore  deposits. 
14.  Iron  ores  of  the  Redding  quadrangle,  California. 
U.  S.  Geol.  Surv.,  Bull.  no.  213,  pp.  219-220,  1903. 
Describes  character  and  occurrence  of  iron  ores  in  this  area. 
15.  Limestone  of  the  Redding  district,  California. 
U.  S.  Geol.  Surv.,  Bull.  no.  213,  p.  365,  1903. 
16.  Mining  and  mineral  resources  in  the  Redding  quadrangle,  California,  in  1903. 
U.  S.  Geol.  Surv.,  Bull.  no.  225,  pp.  169-179,  1904. 
Describes  the  occurrence  and  character  of  deposits  of  gold,  silver,  copper,  chromite,  and  iron 
ores. 
17.  The  composition  and  structure  of  the  Klamath  Mountains. 
Abstract:  Science,  new  ser.,  vol.  19,  p.  794,  1904. 
18.  The  Bragdon  formation. 
Am.  Jour.  Sci.,  4th  ser.,  vol.  19,  pp.  379-387,  1  fig.,  1905. 
Describes  the  lithological  characters,  stratigraphy,  and  relations  of  the  Bragdon  formation  of 
Shasta  and  Trinity  counties,  California,  and  presents  evidence  to  show  its  Carboniferous 
age. 
19.  Mineral  resources  of  the  Indian  Valley  region,  California. 
U.  S.  Geol.  Surv.,  Bull.  no.  260,  pp.  45-49,  1905. 
Describes  the  development  and  general  geology  of  the  field,  the  geology  of  the  gold  mines, 
and  the  occurrence  and  mining  of  auriferous  gravels. 
20.  So-called  "iron  ore"  near  Portland,  Oreg. 
U.  S.  Geol.  Surv.,  Bull.  no.  260,  pp.  343-347,  1905. 
Describes  the  chemical  investigation  of  a  so-called  "iron  ore"  from  near  Portland,  Oreg. 
21.  Coal  in  Washington  near  Poriland,  Oreg. 
T.  S.  Geol.  Surv.,  Bull.  no.  260,  pp.  411-412,  1905. 
Describes  the  occurrence  and  composition  of  an  Eocene  coal  near  Portland,  Oreg. 
