INDEX. 
611 
Page. 
ulf  of  Mexico,  oil  fields  on  coast  of ir>y 
junter  sandstone,  correlation  of 234 
win  coal,  occurrence  and  thickness  of 371 
ypsum,    deposits   of,     at   Hunters    Hot 
Springs,  Mont 601-G04 
in  Trans-Pecos,  Tex.,  occurrence  and 
character  of 584-585 
publications  on,  list  of 586 
Hailey,  Idaho,  lead  near 255 
Hamilton,  A.,  assays  of  Nevada  gold-silver 
ore  by 137, 139 
Hanover,  N.  Mex.,  zinc  at 271 
Harrisonburg,  Va.,  cement-making  mate- 
rials near 541 
Hartshorne  coal,  occurrence  and  charac- 
ter of 386-389 
Haworth ,  Erasmus,  work  of 30 
Haworth,  Erasmus,  and  Schrader,  F.  ('., 
paper  by,  on  clay  industries  of 
Independence    quadrangle, 
Kans 546-549 
paper  by,  on  oil  and  gas  in  Kansas. . .    1  Hi-  15s 
on  Portland-cement  resources  of  In- 
dependence quadrangle 506-509 
Hayes,  C.  W.,  introduction  by 11-18 
paper  by,  on  iron  and  nonmetalliferous 
minerals _ 28-31 
Hayes,  C.  W.,  and  Kennedy,  William,  on 
asphalt,  origin  of 476 
Haywood,  R.  J.,  acknowledgments  to 480 
Hematite,  analysis  of,  from  Ala  bama 325, 
326, 328, 329 
analysis  of.  from  Connecticut 337, 338 
of,  from  Massachusetts 337 
from  New  York 339, 340, 341 
deposits  of,  in  Alabama 323-330 
Helderberg  limestone,  analyses  of 527 
occurrence  and  character  of 522, 526-528 
Henry etta  coal,  occurrence  and  character 
of 395-396 
Hermosa  formation,  occurrence  and  char- 
acter of 52,  64 
Herrick,  C.  L.,  on  copper  deposits 226 
Hess,  F.  L.,  andGraton,  L.  C,  paper  by,  on 
occurrence  and  distribution  of 
tin 161-187 
Hidden  Treasure  mine,  Empire,  Colo.,  na- 
tive gold  in 107 
Hidden  Treasure  mine,  Lake  City,  Colo., 
ore  deposits  of 80 
High  Falls,  N.  Y.,  pyrite  mine  at 588 
Highland  Boy  mine,  Utah,  developments 
at 238-239, 241 
Hill,  R.  T.,  on  Texas  petroleum 580 
Hiliebrand,  W.  F.,  chemical  determination 
by  137, 138, 142-143 
cinnabar  found  in  Colorado  ores  by —      123 
work  by 202 
Holland,  zinc  production  of 253 
Hooker,  W.  A.,  on  Horn  Silver  fault 245 
Horn  Silver  rault,  Utah,  ores  on 245,247 
Horn  Silver  mine,  Utah,  geology  of 2 15, 255 
Page. 
Hot  Lake  group  of  springs,  Yellowstone 
Park,  ore  deposition  at 600 
Hots  Springs,  ore  deposition  at,  examples 
of 599,600 
Hot    springs      and    hot-spring      deposits, 
economic  value  of 598  604 
Howe,  Ernest,  on  geology  of  Ouray  district.  51  54 
Hughes,  Tex.  section  near 352 
Humble,  Tex.,  natural  gas  at 463 
Hunters    Hot   Springs  Mont.,   analysis    of 
waters  of 604 
gypsum  deposits  at 601-604 
Hurricane    Island,    Me.,    granite    quarry- 
ing at   ...' 491 
Hydraulic  mining.    See  Placers. 
Idaho,  gold  production  of 32 
gold  and  silver  ores  in,  paper  on 274-303 
gold-quartz  veins  of,  production  of 36 
lead  production  of 254  -255 
lead  and  zinc  in,  paper  on 274-303 
si  1  ver  production  of 32 
from  lead  ores 43 
from  quartz  veins 41 
tin  in 165 
work  in 26 
zinc  in 272 
Ignacio  formation,  occurrence  of 51 
Illinois, cement,  natural,  in,  production  of.      503 
cement,  Portland,  in,  production  of 198 
lead  production  of 254, 257 
zinc  production  of 253,265 
Illinois  mine,  Colo.,  diorite  outcrops  near..       102 
Independence,  Kans.,  cement  plant  at  ..  506-507 
Independence     quadrangle,     Kans.,     clay 
industries  of 546-549 
gas  in,  utilization  of 457-458 
geologic  formations  in 447.449 
geology  of 446-449, 506 
location  of 506 
oil  from,  character  and  value  of 455-457 
oil  and  gas  in 146   158 
Portland-cement    resources    of,    paper 
on  506-509 
India,  tin  in,  occurrence  of 179 
tin  in,  publications  on L86 
Indian  Territory,  coal  work  in 382   1(U 
petroleum  in 441-445 
work  in 29 
Indian    Valley    region,   Cal.,    mineral    re- 
sources of 45-49 
Indiana,    cement,   natural,   in,    production 
of 503 
cement,  Portland,  in,  production  of 198 
zinc  in  253 
Iola-Allen    limestone,   analyses    and  tests 
Of 507-509 
character  and  thickness  of 447, 507 
Iowa,  lead  production  of 254 
zinc  in 265 
Iowa  Chief  mine,  Colo.,  veins  in 57,58 
Inland,  tin  in,  occurrence  of 177 
tin  in,  publications  on 184 
