38  BIBLIOGRAPHY    OF    NORTH    AMERICAN    GEOLOGY 
Birge  (E.  A.) — Continued. 
4.  Report  of  the  director  of  the  survey. 
Wis.  Geol.  &  Nat.  Hist.  Surv.,  4th  Bienn.  Rept.  of  the  Commissioners,  pp.  9-32,  1  map,  1904. 
Chiefly  administrative,  but  contains  notes  on  the  geology  of  Wisconsin. 
Bishop  (Irving  P.). 
1.  Oil  and  gas  in  southwestern  New  York. 
N.  Y.  State  Mus.,  53d  Ann.  Rept.,  vol.  1,  pp.  rl07-rl34,  1901. 
Describes  occurrence  of  oil,  and  gives  sections  at  a  number  of  localities. 
2.  Economic  geology  of  western  New  York. 
N.  Y.  State  Mus.,  56th  Ann.  Rept.,  pp.  r42-r74,  2  pis.,  1904. 
Gives  notes  on  the  occurrence  of  economic  products,  particularly  building  stone,  clays,  salt, 
natural  gas,  and  petroleum. 
Bishop  (S.  E.). 
1.  Brevity  of  tuff-cone  eruptions. 
Am.  Geol.,  vol.  27,  pp.  1-5, 1  pi.,  1901. 
Discusses  the  origin  and  mode  of  formation  of  Diamond  Head,  Island  of  Oahu. 
Blackwelder  (Eliot),  Salisbury  (Rollin  D. )  and. 
1.  Glaciation  in  the  Bighorn  Mountains. 
See  Salisbury  (R.  D.)  and  Blackwelder  (Eliot),  1. 
Blake  (John  Charles). 
1.  A  rnica-andesite  of  west  Sugarloaf  Mountain,  P>oulder  County,  Colorado. 
Colo.  Sci.  Soc,  Proc,  vol.  7,  pp.  1-17,  1901. 
Describes  occurrence,  megascopic  and  microscopic  characters,  and  composition. 
2.  Some  relations  of  tetrahedral  combinations  to  crystalline  form. 
Colo.  Sci.  Soc,  Proc,  vol.  7,  pp.  19-21,  4  figs.,  1901. 
Blake  (William  P.). 
1.  Some  salient  features  in  the  geology  of  Arizona,  with  evidences  of  shallow  seas  in 
Paleozoic  time. 
Am.  Geol.,  vol.  27,  pp.  160-167,  1901. 
Describes  the  character  and  occurrence  of  ancient  crystalline  Paleozoic  and  Mesozoic  rocks. 
2.  The  evidences  of  shallow  seas  in  Paleozoic  time  in  southern  Arizona. 
Abstract:  Jour.  Geol.,  vol.  9,  pp.  68-69,  1901;  Geol.  Soc.  Am.,  Bull.,  vol.  12,  p.  493,  1901. 
Contains  notes  on  probable  lower  Paleozoic  rocks  of  the  region. 
3.  The  caliche  of  southern  Arizona. 
Abstract:  Eng.  &  Mg.  Jour.,  vol.  72,  pp.  601-602,  1901. 
Describes  the  character  and  origin  of  the  material. 
4.  The  caliche  of  southern  Arizona;  an  example  of  deposition  by  the  vadose  circu- 
lation. 
Am.  Inst.  Mg.  Engrs. .Trans.,  vol.  31,  pp.  220-226,  1902. 
Describes  the  formation  of  the  caliche,  a  calcareous  formation,  and  gives  its  chemical  com- 
position and  that  of  well  waters. 
5.  The  geology  of  the  Galiuro  Mountains,  Arizona,  and  of  the  gold-bearing  ledge 
known  as  Gold  Mountain. 
Eng.  &  Mg.  Jo.ir.,  vol.  73,  pp.  546-547,  5  figs.,  1902. 
Describes  the  general  geology  of  the  region  and  the  occurrence  and  origin  of  the  gold  ores. 
6.  Lake  Qtiiburis,  an  ancient  Pliocene  lake  in  Arizona. 
Ariz.  Univ.,  Monthly,  vol.  4,  no.  1,  February,  2  pp.,  1902.  Abstract:  Science,  new  ser.,  vol.  15, 
pp.  413-414,  1902. 
7.  Notes  on  the  mine.-  and  minerals  of  Guanajuato,  Mexico. 
Am.  Inst.  Mg.  Engrs.,  Trans.,  vol  32,  pp.  216-223,  1902. 
8.  Tombstone  and  its  mines;  a  report  upon  the  past  and  present  condition  of  the 
mines  of  Tombstone,  Cochise  County,  Arizona,  to  the  Development  Company 
of  America. 
New  York,  1902.    83  pp.,  illus. 
Describes  the  general  geology  of  the  region,  the  character  and  occurrence  of  the  stratified 
rocks  and  geologic  structure,  and  the  occurrence  of  the  ore  deposits  of  precious  metals,  and 
discusses  their  origin. 
