FOR    THE    YEARS    1901-1905,  INCLUSIVE. 
469 
Economic  geology — Continued. 
Mexico — Continued. 
Ligeros  datos  sobre  los  criaderos  de 
Penoles,  HJjar,  1. 
"Los  Reyes''  gold  mines,  Smith  (A. 
H.),  1. 
Mina  Santa  Francisca,  Cook  (E.  H.), 
1. 
Minns  "  Santiago  y  Anexas,"  Villarello, 
9. 
Mineral  de  Angangueo,  Ordonez,  11. 
Mineral  zone  of  Santa  Maria  del  Rio, 
Manzano,   1. 
Mines  and  minerals  of  Guanajuato, 
Blake  (W.  P.),  7. 
Mines  in  the  states  of  Chihuahua,  Si- 
naloa,  and  Sonora,  Weed,  8. 
Mines  of  Santa  Eulalia,  Aiken,  1. 
Mining  industry  of  Pachuea,  Ordonez, 
3,  6. 
Mining  in  Lower  California,  Lowry,  1. 
Montezuma  district,  Clere,  1. 
Occurrence  of  selenium  with  pyrite, 
Pearce,  1. 
Onyx-marble  deposits  of  Jimulco,  Ordo- 
nez, 4. 
Ore  deposits  of  Cananea,  Austin,  1. 
Ore  deposits  of  Cananea,  Hill  (R.  T.), 
11. 
Ore  deposits  of  La  Cananea,  Steel,  1. 
Sahuayacan  district,  Bagg,  8. 
San  Alto  tin  deposits,  Nevius,  '■>. 
Santa  Eulalia  district,  Hill  (II.  T.).  10. 
Santa  Eulalia  mines,  Lakes,  54. 
Santa  Eulalia  mining  district,  Argall 
(P.j,l. 
Santa  Eulalia  ore  deposits,  Argall  (P.), 
2. 
Sierra  Mojada  and  its  ore  deposits, 
Emmons   (S.  F.),  8. 
Sierra  Mojada  and  its  ore  deposits, 
Mai  com  son,  1. 
Silver-bearing  veins  of  Mexico,  Halse, 
1,  4,  5. 
Silver-lead  mines  of  Santa  Eulalia,  Ca- 
hill,  1. 
Structure  of  ore-bearing  veins  in  Mex- 
ico, Halse,  2. 
Teoria  quimica  para  explicar  la  forma- 
cion  del  petroleo  de  Aragon,  Villa- 
rello, 3. 
Trip  to  Chihuahua,  Lakes,  51. 
Upland  placers  of  La  Cienaga,  Sonora, 
Hill  (R.  T.),7. 
Value  of  ores  in  Mexico,  Emmons  (N. 
H.),  1. 
Vanadio  de  Charcas,  Caballero,  2. 
Yaqui    River    country    of   Sonora,    Ban- 
croft, 1. 
Michigan. 
Alabaster  area,  Gregory  (W.  M.),  3. 
Asphalt  in  Delta  County,  Lane,  6. 
Cement  materials  and  industry  of  the 
United  States,  Eckel,  34. 
Clays  and  shales  of  Michigan,  Ries,  1. 
Clays  of  the  United  States,  Ries,  6. 
Economic  geology— Continued. 
.17  ichigan — Continued. 
Coal  formation  of  Bay  County,  Cooper 
(W.  F.),  3. 
Coal  of  Michigan,  Lane,  14. 
Copper  mines  of  Lake  Superior,  Rick- 
ard   (T.  A.),  14,  1G. 
Copper  mining  in  Upper  Michigan, 
Jackson    (J.  F.),  1. 
Deep  borings  for  oil  and  gas,  Lane,  46. 
Deep  wells  and  prospects  for  oil  and 
gas,  Lane,  10. 
Economic  geology  of  Michigan,  Lane.  5. 
8,26. 
Eisenerzlagerstatten  am  Lake  Superior, 
Macco,  1. 
Explorations  for  oil  and  gas,  Lane,  31. 
Fifth  annual  report  of  State  geologist. 
Lane,  39. 
Geology  of  lands  in  Upper  Peninsula, 
Rose,  2. 
Geology  of  Menominee  Range,  Hulst,  1. 
Geology  of  some  lands  in  Michigan, 
Rose,  1. 
Gold  near  1  ake  Superior,  Lane,  ::."». 
Gypsum,  Diehl,  1. 
Gypsum  and  plaster  industry  of  Michi- 
gan, Grimsley,  7. 
Gypsum  deposits  in  Michigan,  Grims- 
ley, 4. 
Iron-ore  deposits  of  the  Lake  Superior 
region,  Van  Hise,  2. 
Lake  Superior  geological  work.  Van 
Hise,  14. 
Lake  Superior  iron-ore  deposits,  Grant 
(U.  S.),  6. 
Lake  Superior  iron  region,  Leith,  10. 
Limestones  of  Michigan,  Lane,  1,  9.  41. 
Localities  and  mills  manufacturing 
Portland  cement,  Lane,  21. 
Marl  and  the  manufacture  of  Portland 
cement,  Hale,  1. 
Marls  and  clays  in  Michigan,  Pall,  1,  2. 
Menominee  district  of  Michigan,  Bay- 
ley,  1. 
Michigan  clay,  shales,  and  paving  ma- 
terials, Lane,  34. 
Northern  interior  coal  field,  Lane,  15. 
Origin  of  gypsum,  Grimsley,  8. 
Origin  of  Michigan  bog  limes,  Lane,  20. 
Origin  of  Michigan  gypsum  deposits, 
Grimsley,  6. 
Tort  Huron  oil  field,  Gordon  (C.  II.  i,  2. 
Portland-cement  industry  in  Michigan, 
Russell,  6. 
Relation  of  vein  at  Central  mine,  Ke- 
weenaw Point,  to  Kearsarge  con- 
glomerate, Hubbard   (L.  L.),  2. 
Report  of  Michigan  Geological  Survey, 
Lane,  17. 
Report  on  Arenac  County,  Gregory  (W. 
M.),  1,  2. 
Salt,  Lane,  12. 
Sixth  annual  report  of  the  State  geolo- 
gist, Lane,  49. 
Summary  of  Lake  Superior  geology. 
Leith,  14. 
