614 
INDEX. 
Page. 
Martinsburg  shales,  character  and  extent 
of,  in  Valley  of  Virginia 538 
Matagorda  oil  field,  Tex.,  production  of . . .      460 
Maverick   Spring,   Tex.,   sulphur    deposits 
near 589-592 
Maxwell,  F.  A.,  on  ore  in  Schively  vein, 
Georgetown,  Colo 115 
Mercur  district,  Utah,  lead  in,  production 
of 256 
Mesa  sandstone,  copper  in 228 
Metalliferous  ores,  investigation  of 19-27 
Mctamorphism,  treatise  on,  character  of...        20 
Mexico,  lead  in 252 
tin  in,  occurrence  of 180 
publications  on 186 
Mexico,  Gulf  of,  oil  fields  on  coast  of 459-467 
Mica,  Wash. ,  clay  deposits  at 555 
Mica  and  other  abrasives,  publications  on, 
list  of 596-597 
Michigan,  cement,  Portland,  in,  production 
of 498 
silver  production  of 33 
Midget  mine,  rocks  of,  character  of 92-93 
Midway  clay,  occurrence  and  character  of.      515 
Milldale  coal,  occurrence  and  thickness  of.      369 
Mine  Lamotte,  Mo. ,  copper  from 233 
copper  deposits  at 259 
copper  mines  at 234-235 
Mineral  Farm  mine,  Colo.,  ores  in,  charac- 
ter of  56, 71-73 
rocks  at 51-521 
Mineral  resources,  volume  on,  character  of  .        18 
Minnesota,  cement,  natural,  in,  production 
of 503 
cement,  Portland,  in,  production  of 498 
Missouri,  copper  deposits  of,  paper  on 233-235 
lead  in,  production  of 254, 258-260 
zinc  in,  production  of 253, 262 
Mississippi,  cement  resources  of  northeast, 
paper  on 510-521 
soils  of,  character  of 516 
Mississippi  Valley,  zinc  in,  production  of.  263-265 
Molas  formation,  occurrence  and  character 
of 52 
Molybdenite  in  eastern  Maine,  occurrence 
and  character  of 197-199 
Monarch  Geyser,  Yellowstone  Park,  ore  dep- 
osition at 600 
Monographs,  character  of 13 
Montana,  copper  ores  and  mining  in 215-216 
gold  production  of 33 
from  copper  ores 37 
from  quartz  veins 36 
lead  in,  production  of 254, 256-257 
placer  deposits  in,  source  of 34 
silver  production  of 33 
from  lead  ores 43 
from  quartz  veins 41 
tin  in 164 
zinc  in 270,272 
Moose  Island,  Me.,  granite  quarrying  at 491 
Moican  sandstone,  correlation  of 234 
Moro  mine,  Colo.,  sphalerite  in 82 
Morris,  H.  C,  acknowledgments  to 137 
Mound   Valley    limestone,  character    and 
thickness  of lis 
Page. 
Mounds  indicating  oil  and  ga  deposits,  oc- 
currence of,  on  Gulf  coast  of 
Texas  and  Louisiana 464-467 
Mount  Jackson,  Va.,  cement-making  ma- 
terials near 542 
Mount  Riga  iron  mine,  N.   Y.,  ore  from, 
analyses  of 339 
Mount  Sterling,  Va.,  cement-making  ma- 
terials near 542-543 
Mullan,  Lieut.  John,  explorations  in  Idaho 
by 285 
Muscogee,  Ind.  T.,  oil  field,  gas  in 443 
map  of 442 
paper  on 442-445 
Mutual    Mining    Company,   developments 
by 257-258 
N. 
Nacimiento  Mountains,  copper  in 225 
Nacogdoches,  Tex.,  oil  field  near 461 
Nacogdoches  oil  field,  Tex.,  development  in      461 
Nassau,  Germany,  iron  at 224 
Nast  mine,  Utah,  developments  at 240 
National  iron  mine,  N.Y.,  ore  from,  analyses 
of 341 
Natural  cement.    See  Cement,  natural. 
Natural  gas.    See  Gas,  natural. 
Nebraska,  cement,  natural,  in,  production 
of 503 
Neglected  mine,  Colo.,  equipment  of 124 
geology  of 124-125 
geology  of  region  near 121-122 
ores  and  ore  deposits  of 125 
ore  deposits  near 123-124 
Neglected   mine   and    near-by    properties, 
Colorado,  paper  on 121-127 
Neodesha,  Kans.,  cement  plant  at 506-507 
oil  and  gas  pools  at 425 
Portland-cement  materials  at,  test  and 
analyses  of 507-509 
Neodesha  mine,  Colo.,  vein  of 61 
Nevada,  gold  production  of 33 
gold  and  silver  in,  papers  on 132-149 
gold  and  silver  mining  in,  papers  on.  132-149 
gold-quartz  veins  of,  production  of 36 
lead  in,  production  of 254 
silver  production  of 38 
from  quartz  veins 41 
work  in 26 
New  Hampshire,  tin  in 163 
New  Iberia,  La.,  oil  wells  near 462 
New  Jersey,  copper  in 222 
cement,  Portland,  in,  production  of 498 
tin  in 163 
zinc  in,  production  of 262, 266-268 
zinc  deposits  in,  work  on 24 
New  Jersey  Zinc  Co.,  developments  by. . .  266-268 
New  Mexico,  copper  in 222, 225 
gold  placers  in,  production  of 34 
gold  production  of 33 
lead  production  of 254 
salt  deposits  near  Zuni 565-566 
silver  production  of 33 
zinc  production  of 262, 271 
