FOR   THE    YEARS    1901-1905,   INCLUSIVE.  355 
"Weeks  (Fred  Boughton) — Continued. 
4.  Index  to  North  American  geology,  paleontology,  petrology,  and  mineralogy  for 
the  years  1892-1900,  inclusive. 
U.  S.  Geol.  Surv.,  Bull.  no.  189,  337  pp.,  1902. 
5.  North  American  geologic  formation  names:  bibliography,  synonymy,  and  distribu- 
tion. 
U.  S.  Geol.  Surv.,  Bull.  no.  191,  448  pp.,  1902. 
6.  Bibliography  and  index  of  North  American  geology,  paleontology,  petrology,  and 
mineralogy  for  the  year  1901. 
U.  S.  Geol.  Surv.,  Bull.  no.  203,  144  pp.,  1902. 
7.  Bibliography  and  index  of  North  American  geology,  paleontology,  petrology,  and 
mineralogy  for  the  year  1902. 
U.  S.  Geol.  Surv.,  Bull.  no.  221,  200  pp.,  1903. 
8.  Tungsten  ore  in  eastern  Nevada. 
U.  S.  Geol.  Surv.,  Bull.  no.  213,  p.  103,  1903. 
Describes  the  character  and  occurrence  of  hubnerite  in  the  Snake  Mountains,  Nevada. 
9.  Occurrence  of  Paleozoic  rocks  in  the  southern  portion  of  the  Great  Basin  region. 
Abstract:  Science,  new  ser.,  vol.  17,  p.  26,  1903. 
Describes  briefly  the  occurrence  and  character  of  pre-Cambrian,  Car^brian,  Silurian,  Devonian, 
and  Carboniferous  strata  and  the  general  geologic  structure. 
10.  Bibliography  and  index  of  North  iVmerican  geology,  paleontology,  petrology, 
and  mineralogy  for  the  year  1903. 
U.  S.  Geol.  Surv.,  Bull.  no.  240,  243  pp.,  1904. 
11.  Notes  on  the  wells,  springs,  and  general  water  resources  of  New  York. 
U.  S.  Geol.  Surv.,  Water-Supply  and  Irrigation  Paper  no.  102,  pp.  169-206,  1904. 
12.  Underground  waters  of  eastern  United  States:  New  York. 
U.  S.  Geol.  Surv.,  Water-Supply  and  Irrigation  Paper  no.  114,  pp.  82-92,  1  pi.,  1905. 
Describes  briefly  the  general  geology  of  the  State  and  its  water  resources,  particularly  the 
underground  waters  and  the  springs. 
15.  Bibliography  and  index  of  North  American  geology,  paleontology,  petrology,  and 
mineralogy  for  the  year  1904. 
U.  S.  Geol.  Surv.,  Bull.  no.  271,  218  pp.,  1905. 
Weidman  (Samuel). 
1.  The  pre-Potsdam  peneplain  of  the  pre-Cambrian  of  north-central  Wisconsin. 
i       Jour.  Geol.,  vol.  11,  pp.  289-313,  1  pi.  and  8  figs.,  1903. 
Describes  physiographic  features  and  general  structure  of  the  peneplain,  and  discusses  its 
formation,  evidences  as  to  its  age,  and  its  subsequent  history. 
2.  Note  on  the  amphibole  hudsonite  previously  called  a  pyroxene. 
Am.  Jour.  Sci.,  4th  ser.,  vol.  15,  pp.  227-232,  2  figs.,  1903. 
Describes  microscopic  and  chemical  characters. 
3.  Preliminary  report  on  the  soils  and  agricultural  conditions  of  north  central  Wis- 
consin. 
Wis.  Geol.  &  Nat.  Hist.  Surv.,  Bull.  no.  11,  68  pp.,  10  pis.,  1903. 
Describes  topography,  general  geology,  water  supply,  and  character  and  origin  of  soil  forma- 
tions. 
4.  Widespread  occurrence  of  fayalite  in  certain  igneous  rocks  of  central  Wisconsin. 
Jour.  Geol.,  vol.  12,  pp.  551-561,  3  figs.,  1904. 
Describes  the  occurrence  in  Wisconsin,  character,  chemical  composition,  and  relations  to 
associated  rocks,  and  discusses  the  origin  and  occurrences  elsewhere  of  fayalite. 
5.  The  Baraboo  iron-bearing  district  of  Wisconsin. 
Wis.  Geol.  &  Nat.  Hist.  Surv.,  Bull.  no.  13,  190  pp.,  23  pis.  (includ.  geol.  map  in  pocket),  1904. 
Describes  the  occurrence,  megascopic  and  microscopic  characters,  and  geologic  relations  of 
pre-Cambrian  igneous  rocks  and  sedimentary  strata,  and  gives  a  general  account  of  Cambrian 
and  Ordovician  sedimentary  rocks  and  Glacial  drift  deposits,  and  discusses  the  ground 
water  and  the  occurrence,  character,  and  origin  of  the  iron-ore  deposits. 
