14  BIBLIOGRAPHY    OF    NORTH    AMERICAN    GEOLOGY 
Adams  (George  Irving),  Haworth.  (Erasmus),  and  Crane  (W.  R.). 
1.  Economic  geology  of  the  Iola  quadrangle,  Kansas. 
U.  S.  Geol.  Surv.,  Bull.  no.  238,  83  pp.,  11  pis.  and  13  figs.,  1904. 
Describes  the  general  character  and  areal  geology  of  the  area,  the  character,  occurrence,  and 
relations  of  the  Carboniferous  formations,  the  geologic  structure  of  the  field,  and  in  detail 
the  occurrence,  character,  and  origin  of  the  natural  gas  and  petroleum,  and  their  utilization 
in  the  manufacture  of  cement,  brick,  and  zinc  spelter. 
Adams  (Thomas  K.). 
1.  Lower  productive  Coal  Measures  of  the  bituminous  regions  of  Pennsylvania;  the 
importance  of  a  knowledge  of  their  characteristic  features. 
Mines  &  Minerals,  vol.  23,  pp.  348-352,  3  figs.,  1903. 
Describes  the  geology  of  the  Coal  Measures  of  the  bituminous  coal  regions  of  Pennsylvania. 
Ag-uilar  y  Santillan  ( Rafael ) . 
1.  Bibliography  of  Mexican  geology  and  mining. 
Am.  Inst.  Mg.  Engrs.,  Trans.,  vol.  32,  pp.  605-680,  1902. 
Ag-uilera  (Jose  G.). 
1.  Distribution  geografica  y  geologica  de  los  criaderos  minerales  de  la  Republica 
Mexicana. 
Acad,  de  Ciencias  exactas,  fisicas,  y  naturales,  Mexico,  57  pp.,  1901. 
Describes  the  occurrence  of  various  mineral  products  in  Mexico. 
2.  Sobre  las  condiciones  tectonicas  de  la  Republica  Mexicana. 
Mexico,  Oficina  Tip.  de  la  Secretaria  de  Fomento,  34  pp.,  1901. 
Gives  a  general  account  of  the  geologic  structure  of  Mexico. 
3.  The  geographical  and  geological  distribution  of  the  mineral  deposits  of  Mexico. 
Am.  Inst.  Mg.  Engrs.,  Trans.,  vol.  32,  pp.  497-520,  1902. 
Describes  the  occurrence  of  mineral  deposits. 
4.  [The  great  Bacubirito  meteorite  of  Mexico.] 
Am.  Geol.,  vol.  33,  p.  267,  1904. 
Gives  data  in  regard  to  the  Bacubirito  meteorite. 
5.  Resena  del  desarrollo  de  la  geologia  en  Mexico. 
Soc.  Geol.  Mex.,  Bol.,  t.  1,  pp.  35-117,  1905. 
Reviews  in  chronologic  order  the  investigations  upon  the  geology  of  Mexico. 
Aiken  (P.  B.). 
1.  The  mines  of  Santa  Eulalia,  Mexico. 
Mg.  &  Sci.  Press,  vol.  87,  p.  402,  1  fig.,  1903. 
Describes  briefly  the  general  geology  and  the  occurrence  of  the  silver-lead  ores. 
Alcala  (Maximino). 
1.  Criaderos  de  petroleo  de  Pichucalco,  Estado  de  Chiapas  [Mexico]. 
Soc.  Cient.  Antonio  Alzate,  Mem.  y  Rev.,  t.  13,  pp.  327-335,  2  pis.,  1903. 
Describes  the  occurrence,  geologic  relations,  and  character  of  petroleum  from  this  locality. 
Alden  (William  C). 
1.  Chicago  folio,  Illinois-Indiana. 
U.  S.  Geol.  Surv.,  Geol.  Atlas  of  U.  S.,  folio  no.  81, 1902. 
Describes  geographic  and  topographic  features,  the  general  geologic  relations,  the  occurrence 
and  character  of  strata  of  Cambrian,  Silurian,  Devonian,  and  Quaternary  age,  and  the  eco- 
nomic resources,  chiefly  building  stones. 
2.  The  stone  industry  in  the  vicinity  of  Chicago,  111. 
U.  S.  Geol.  Surv.,  Bull.  no.  213,  pp.  357-360,  1903. 
Describes  the  occurrence  and  utilization  of  limestone,  sand,  and  gravel  in  the  vicinity  of 
Chicago,  111. 
3.  The  Delavan  lobe  of  the  Lake  Michigan  glacier  of  the  Wisconsin  stage  of  glacia- 
tion  and  associated  phenomena. 
U.  S.  Geol.  Surv.,  Professional  Paper  no.  34,  106  pp.,  15  pis.,  1904. 
Describes  the  character,  occurrence,  and  relations  of  various  glacial  deposits  and  associated 
phenomena,  and  the  physiographic  changes  and  succession  of  events  during  the  period  of 
glaciation  in  the  area  investigated. 
