100  BIBLIOGRAPHY    OF    NORTH    AMERICAN    GEOLOGY 
Dumble  (Edwin  T. ). 
I.  Physical  geography,  geolog}',  and  resources  of  Texas. 
A  Comprehensive  History  of  Texas,  published  by  W.  <1.  Scarff,  Dallas,  Tex.,  vol.  2,  chap.  4, 
pp.  471-516,  illus.,  1898. 
Includes  a  brief  account  of  the  geologic  history  and  structure  of  the  State,  and  describes 
geographic  and  physiograpic  features  and  mineral  resources. 
l).   <  ieology  of  the  Beaumont  oil  field. __ 
Houston  Post,  5  pp.,  1901.     (Private  publication.) 
Describes  geologic  structure  of  the  region  and  discusses  the  geologic  horizon  of  the  oil. 
3.  The  iron  ores  of  east  Texas. 
Houston  Post,  4  pp.,  1901.     (Private  publication.) 
Describes  the  occurrence  of  iron  ores  in  eastern  Texas  and  processes  necessary  for  their 
development. 
4.  Cretaceous  of  Obispo  Canyon,  Sonora,  Mexico. 
Texas  Acad„Sci.,  Trans.,  vol.  4,  p.  81,  1901. 
Gives  brief  description  of  the  character  of  the  beds. 
5.  Occurrence  of  oyster  shells  in  volcanic  deposits  in  Sonora,  Mexico. 
Texas  Acad.  Sci.,  Trans.,  vol.  4.  p.  82,  1901. 
Gives  brief  description  of  occurrence 
6.  The  iron  ores  of  east  Texas. 
Eng.  &  Mg.  Jour.,  vol.  72,  p.  104,  1901. 
Contains  brief  notes  on  the  character  of  the  ores. 
7.  Notes  on  the  geology  of  southeastern  Arizona. 
Am.  Inst.  Mg.  Engrs.,  Trans.,  vol.  31.  pp.  696-715,  1902. 
Describes  the  occurrence  of  Cenozoic,  Mesozoic,  ami  Paleozoic  strata  of  Cochise  County,  Ari- 
zona, and  give.-i  a  general  section  of  the  rocks. 
8.  [In  discussion  of  paper  by  A.   F.  Lucas   "The  great  oil-well  near  Beaumont, 
Texas."] 
Am.  rnst.  Mg.  Engrs.,  Trans.,  vol.  31,  pp.  1029-1032,  1902. 
9.  A  Carboniferous  coal  in  Arizona. 
Am.  Geol.,  vol.  30,  p.  270,  1902. 
Describes  the  occurrence  and  gives  a  list  of  fossils. 
10.  The  Tertiary  of  the  Sabine  River. 
Science,  new  ser.,  vol.  16,  pp.  670-671,  1902. 
Discusses  the  correlation  of  Tertiary  formations  in  Texas  and  Louisiana. 
II.  The  red  sandstone  of  the  Diabolo  Mounta  ns,  Texas. 
Texas  Acad.  Sci.,  Trans.,  vol.  4,  pt.  2,  nos.  6-7,  pp.  1-3  (103-105),  .1902. 
Discusses  the  stratigraphic  position  of  this  formation. 
12.  Cretaceous  and  later  rocks  of  Presidio  and  Brewster  counties  [Texas]. 
Texas  Acad.  Sci.,  Trans.,  vol.  4    pt.  2,  nos.  6-7,  pp.  1-8  (107-114).  1902. 
Describes  the  geologic  structure  of  this  region  and  gives  sections  of  the  strata. 
13.  Geology  of  southwestern  Texas. 
Am.  Inst.  Mg.  Engrs.,  Trans.,  vol.  33,  pp.  913-987,  2  figs.,  1903. 
Describes  the  topography,  and  the  character,  occurrence,  and  geologic  relations  of  forma- 
tions of  Tertiary  and  Pleistocene  age  in  southwestern  Texas. 
Duryee  (Edward). 
1.  Cement  investigations  in  Arizona. 
U.  S.  Geol.  Surv.,  Bull.  no.  213,  pp.  372-380,  1903. 
Dutton  (Clarence  Edward). 
1.  Earthquakes  in  the  light  of  the  new  seismology. 
New  York,  G.  P.  Putnam  s  Sons,  314  pp.,  10  pis.,  63  tigs.,  1904, 
A  general  treatise  upon  earthquakes,  their  nature    causes,  etc.    The  Charleston  and  other 
American  earthquakes  are  considered. 
