FOE    THE    YEARS    1901-1905,  INCLUSIVE. 
481 
Economic  geology — Continued. 
(lateral — Continued. 
Hypothesis  to  account  for  the  transfor 
mation  of  vegetable  matter  into  differ- 
ent grades  of  coal,  Campbell  (M.  R.), 
20. 
Igneous  rocks  and  circulating  waters  as 
factors   in   ore  deposition,    Kemp,    12, 
10. 
Igneous    rocks    and    their    segregation, 
Spurr,   12. 
Igneous  rocks  in  ore  deposition,  Lakes. 
100. 
Investigation     of    iron     and     nonmetal- 
liferous     economic     minerals,     Hayes 
(C.  W.),  19. 
Investigation  of  metalliferous  ores,  Em- 
mons   (S.   F.),   10,    17,   19. 
Investigation    of    nonmetalliferous    eco- 
nomic minerals,   Hayes    (C.   W.),   10, 
17. 
Iron  and  manganese  ores  of  the  United 
States.  Eckel,  35. 
Lake  Superior  iron  ore  deposits,  Grant 
(U.  S.),  4. 
Lead   and    zinc   deposits   of   Mississippi 
Valley,  Van  Ilise  and  Bain,  1. 
Lead  and  zinc  resources  of  the  United 
States,  Lain.   16. 
Literature     of     structural      materials. 
Eckel.  11. 
Literature  on  petroleum,  Teggart,  1. 
Mesabi   Iron  Range,  Leith,  -. 
Metallic      sulphides      from      Steamboat 
Springs,  New,  Lindgren,  19. 
Metasomatic  processes  in  fissure  veins. 
Lindgren.  1. 
Methods  of  testing  and  sampling  placer 
deposits,  Kirby,  1. 
Mica  deposits,  Cirkel,  2. 
Microscopic       structure       of       building 
stones,  Leffmann,  1. 
Mineral  crest,   Emmons    (S.  F. ),   12. 
Mineral  crest,  Jenney,  1.  -. 
Mineral  crest,   Smith    (G.  O.).   11. 
Mineral     resources     of     United     States, 
Day,  5-8. 
Molding  sand,  Eckel,  14. 
Motions  of  underground  waters,   Slich- 
ter,  1. 
Native   copper    in    greenstone   from    the 
Pacific  coast,  Turner.  1G. 
Native  gold  in  igneous  rocks.  Weed,  29. 
Natural  gas  in  Sussex,  Oliphant,   1. 
Natural   gas   in    Sussex,    White    (I.    C), 
10. 
Natural  history  of  marl.  Davis   (C.  A.), 
o 
New  geology  and  vein  formation,  Car- 
penter, 1,  2. 
Nonmetallic  mineral  products  of  the 
United   States.   Eckel.    29. 
Nonmetallic  minerals,  Merrill  ( G.  P.), 
12. 
Nonmetallic  minerals;  U.  S.  National 
Museum,  Merrill   (G.  P.),  3. 
North  America,  Russell,  15. 
Economic  geology — Continued. 
General-  -Continued. 
Occurrence  and  distribution  of  corun- 
dum, Pratt,  2. 
Occurrence  and  distribution  of  tin,  Hess 
and  Graton,  1. 
Observations  on  gold  deposits,  Puring- 
ton,  6. 
Oil  fields  of  the  West,  Willey,  L>. 
Oil  wells  of  the  United  States,  Kilham, 
1. 
Ore  deposition  and  deep  mining,  Lind- 
gren, 27. 
Ore  deposition  and  vein  enrichment, 
Weed,  20. 
Ore  deposition  in  the  cement  of  rocks, 
Lakes.   76. 
Ore  deposits,  Beck,  2. 
Ore  deposits  near  igneous  contacts.  Aus- 
tin, 4. 
Ore  deposits  near  igneous  contacts, 
Weed,  20. 
Ore  formation  by  concentration  through 
surface  decomposition.   Keyes,  5. 
Ore  formation  on  Prince  of  Wales  Is- 
land', Thorn;.  \   1. 
Ore  in  ant  iclinals.  Lakes,  71. 
Ore  in  sight,  Kendall,  1. 
Ore  shoots  and  outcrop  of  veins,  Lakes, 
63. 
Ore  shoots  and  veins  that  do  not  come 
to  the  surface,   Lakes,   74. 
Ores  deposited  by  underground  waters, 
Maclaren,  1. 
Ores  from  igneous  magmas,  Kemp.  26. 
Origin  and  classification  of  ore  de- 
posits, Keyes,  2. 
Origin  and  development  of  iron  ores  of 
Mesabi  and  Gogebic  iron  ranges, 
Leith,  8. 
Origin  and  relations  of  auriferous  veins 
of  Algoma  (western  Ontario),  Cros- 
by.  4. 
Origins  and  times  of  formation  of  lead 
and  zinc  deposits  of  the  Mississippi 
Valley,    Keyes,    16. 
Origin,  distribution,  and  uses  of  coal, 
Clark  (W.  P..),  8. 
Origin  of  Australian  iron  ores,  Winchell 
(N.  II.).  5. 
Origin  of  bitumen,  Morgan,   1. 
Origin  of  fine  gold  of  Snake  River, 
Bell  (R.i.  ::. 
Origin  of  Michigan  boglimes,  Lane,  20. 
Origin  of  ore  deposits,  Adams  ( F.  D. ), 
4. 
Origin  of  ore  deposits,  Bain,  5 
Origin  of  ore  deposits,  Beck,   1. 
Origin  of  ore  deposits,  Collins   (A.  L. ) 
1. 
Origin  of  ore  deposits,  Emmons  (S.  F.), 
4. 
Origin  of  ore  deposits,  Keyes,  21. 
Origin  of  ore  deposits.  Launay.  1. 
Origin  of  ore  deposits.  Weed,  7. 
Origin  of  petroleum,  Grant   (C.  C),  8, 
Origin  of  petroleum.  Only,  1. 
Bull.  301—06- 
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