326  BIBLIOGRAPHY    OF    NORTH    AMERICAN    GEOLOGY 
Taff  (Joseph  A.)— Continued. 
4.  The  southwestern  coal  field. 
U.  S.  Geol.  Surv.,  22d  Ann.  Rept.,  pt.  3,  pp.  367-418,  4  pis.,  2  figs.,  1902. 
Describes  location,  extent,  stratigraphy,  and  geologic  structure  of  this  coal  field,  occupying 
parts  of  Arkansas,  Texas,  and  Indian  Territory,  the  number  and  extent  of  workable  beds, 
the  character,  composition,  and  production  of  the  coal. 
i.  Chalk  of  southwestern  Arkansas,  with  notes  on  its  adaptability  to  the  manufac- 
ture of  hydraulic  cements. 
U.  S.  Geol.  Surv.,  22d  Ann.  Rept,,  pt.  3,  pp.  687-742,  7  pis.,  13  figs.,  1902. 
Describes  location,  geologic  age,  and  occurrence  of  the  chalk  and  chalk  marl  deposits  of 
southwestern  Arkansas,  the  geologic  history  of  the  region,  character,  composition,  adapta- 
bility, and  utilization  of  the  chalk,  chalk-marls,  and  clays  of  Arkansas  in  the  manufacture 
of  Portland  cement. 
6.  Tishomingo  folio,  Indian  Territory. 
U.  S.  Geol.  Surv.,  Geol.  Atlas  of  U.  S.,  folio  no.  98,  1903. 
Describes  geography,  physiography, general  relations.  pre-Cambrian  igneous  rocks,  Cambrian' 
Ordovician,  Siluro-Devonian,  Carboniferous,  and  Cretaceous  sedimentary  rocks  and  <nia- 
tcrnary  deposits,  geologic  structure  of  the  Arbuckle  Mountain  region,  and  the  mineral 
resources. 
7.  Maps  of  segregated  coal  lands  in  the  McAlester  district,  Choctaw  Nation,  Indian 
Territory,  with  descriptions  of  the  unleased  segregated  coal  lands. 
0".  S.,  Dept.  Interior,  Circular  no.  1,  59  pp.,  2  maps,  1904. 
Describes  the  character  and  occurrence  of  the  coal  beds  and  the  quality  of  the  coal. 
8.  Maps  of  segregated  coal  lands  in  the  Wilburton-Stigler  district,  Choctaw  Nation, 
Tndian  Territory,  with  descriptions  of  the  unleased  segregated  coal  lands. 
('.  S.,  Dept.  Interior,  circular  no.  2,  47  pp.,  2  maps,  L904. 
Describes  the  occurrence  and  character  of  the  coal  beds  and  quality  of  the  coal. 
9.  Maps  of  segregated  coal  lands  in  the    Howe-Poteau   district,  Choctaw  Nation, 
Indian  Territory,  with  description  of  the  unleased  segregated  coal  lands. 
U.  S.,  Dept.  Interior,  Circular  no.  3,  48  pp.,  2  maps,  1904. 
Describes  the  occurrence  and  character  of  coal  beds  and  quality  of  the  coal. 
10.  Maps  of  segregated  coal  lands  in  the  McCurtain-Massey  district,  Choctaw  Nation, 
Indian  Territory,  with  description  of  the  unleased  segregated  coaflands. 
U.  S.,  Dept.  Interior,  Circular  no.  4,  54  pp.,  1904. 
Describes  the  occurrence  and  character  of  die  coal  beds  and  the  quality  of  the  coal. 
11.  Maps  of  segregated  coal  lands  in  the  Lehigh-Ardmore  districts,  Choctaw   and 
Chickasaw  nations,  Indian  Territory,  with  descriptions  of  the  unleased  segre- 
gated coal  lands. 
U.  S..  Dept.  Interior,  <  'ircuiar  no.  5.  39  pp..  '_'  maps,  L904. 
Describe^  the  occurrence  and  character  of  the  coal  beds  and  the  quality  of  the  coal. 
12.  I  Ascription  of  the  unleased  segregated  asphalt  lands   in  the  Chickasaw  Nation, 
Indian  Territory. 
U.  S.,  Dept.  Interior,  Circular  no.  6,  14  pp..  1904. 
Describes  the  occurrence  and  character  of  asphalt  deposits. 
13.  Preliminary  report  on  the  geology  of  the   Arbuckle  and  Wichita  mountains  in 
Indian  Territory  and  Oklahoma. 
U.  S.  Geol.  Surv.,  Professional  Paper  no.  31,  pp.  11-81,  8  pis.,  1  fig.,  1904. 
Describes  the  physiographic  features  and  history  of  the  region,  the  occurrence,  character,  and 
relations  of  pre-Cambrian  igneous  rocks,  and  Cambrian,  Ordovician,  Silurian,  Devonian, 
Carboniferous,  and  Cretapeous  sedimentary  rocks,  and  the  geologic  structure  of  the  Arbuckle 
and  Wichita  mountains. 
14.  Portland-cement  resources  of  Indian  Territory. 
U.  S.  Geol.  Surv.,  Bull.  no.  243,  pp.,  145-147,  1905. 
Describes  the  occurrence  of  limestones  suitable  for  cement  manufacture. 
15.  Portland-cement  resources  of  Texas. 
U.  S.  Geol.  Surv.,  Bull.  no.  243,  pp.  307-310,  1  pi.,  1905. 
Describes  the  occurrence,  geologic  relations,  and  character  of  limestones  in  Texas  suitable 
for  Portland-cement  manufacture 
