INDEX. 
613 
Page. 
Lead,  prices  of 261 
production  of 251-252,254  26] 
uses  of 2r.i-2.v2 
Lead  and  zinc,  publications  on,  list  of 316 
Lead  and    zinc  deposits  of  southwestern 
Wisconsin,  paper  oh 304-310 
Lead  and  zinc  mines  near  Dodgeville,  Wis., 
paper  on 311-315 
Lead  carbonate,  occurrence  of 81 
Lead  ores,  gold  obtained  from 38 
silver  obtained  from 12   13 
Leadville,  Colo.,  lead  at,  production  of  —  250 
Leet  iron  mines,  Mass.,  observations  made  at  337 
Lehigh  district,  Pa.,  cement,  Portland,  in, 
production  of 499 
Leith,  C.  K.,  work  of 28 
Lemay,  Utah,  boring  at 477 
Lesueur  limestones,  occurrence  of 259 
Lexington,  Ky.,  fluorspar  near 258 
Lexington,  Va.,  cement-making  materials 
near 544 
Lexington  limestone,  occurrence  of 257 
Lignite,  occurrence  and  analyses  of 513 
publications  on,  list  of 43 1    135 
Lillie  shaft,  Colo.,  depth  of 90 
Lime,  difference  between  natural  cement 
and 490 
in  natural  cement,  percentage  of 501 
in  Portland  cement,  percentage  of 499 
in  slag  cement,  percentage  of 505 
Limestone,  analyses  of . . . 512-514,  518,  520-521 . 
534,  535, 536,  537, 538, 541, 542,  5 13,  511 
replacement  ores  in 55, 58, 71-75 
71 
73 
500 
5(1(1 
classes  of  
value  of 
Limestone,  argillaceous,  use  of,  for  Portland 
cement 
See  also  Cement  rock. 
Limestone,  pure  hard,  use  of,  for   Portland 
cement 
Limonite,  analysis  of,  from  Alabama 332 
deposits  of,  at  Anaconda  Hot  Springs, 
Mont 600-001 
in  eastern  New  York  and  western 
New  England,  paper  on 335-342 
occurrence  of,  in  Alabama 330-334 
Lindgren,  Waldemar,  on  antimony  ore  at 
Steamboat  Springs,  Nev 599 
on  geology  of  Montana  and  Idaho 278 
on  intrusive  rocks  of  Idaho  and  Mon- 
tana   , 284 
on  mines  of  Coeur  d'Alene  region,  Idaho      274 
on  topography  of  Montana  and  Idaho..       277 
paper  by,  on  Cripple  Creek  district,  Colo.  85  98 
on    production  of   gold    in    United 
States 32-39 
on  production  of  silver  in  United 
States 30-44 
work  of ;;     l 
Livingston,  Ala.,  well  at,  log  of 510-51] 
Lockwood,  S.  T.,  acknowledgments  to 202 
Lofftus,  J.  H.,  acknowledgments^ 202 
Loray,  Nev.,  boring  at 47s 
Louisiana,  oil  fields  of ,  paper  on 459   167 
Louisville  and  Nashville  Railroad,  section 
on  Alabama  M  inetal  division  of         :;•._' I 
Page. 
Loveless,  W.  W.,  on  output  of  placer  mines 
on  coast  of  Washington 155 
Lunt,  H.  F.,  on  copper  ores 228 
McAlester  coal,  occurrence  and  character 
of 389-390 
McAlester  formation,  occurrence  and  char- 
acter of 384-385 
MacDonald,  W.  F.,  work  done  by 275 
McElmo  formation,  occurrence  and  charac- 
ter of  52, 60,  64, 65, 67, 72 
veins  in 57 
McGonagle,  G.  P.,  acknowledgments  to  ...      477 
McLaughlin,  F.,  work  of 245 
McMillan,  Tenn.,  zinc  near 269 
Macon,  Miss.,  limestone  near,  occurrence 
and  analyses  of 512, 518 
Magdalena  Mountains,  zinc  in 270, 271 
Magnesian    series,   Missouri,   classification 
and  synonomy  of 234 
Magnesium  in  cement,  effect  of 496, 501 
percentage  of 499, 505 
Magnetite-pyrite  ores,  occurrence  and  char- 
acter of 71-75 
Maine,  granite  industry  of  Penobscot  Bay 
quadrangle  in 489-492 
molybdenite  in 197-199 
slate  quarries  in 486 
tin  in 163 
Maine  mine,  Georgetown,  Colo.,  vein  in, 
plan  of 117 
Malayan  region,  tin  in,  occurrence  of 106-169 
tin  in,  publications  on..., 182 
Mancos  formation,  occurrence  and  charac- 
ter of  52-53, 58, 60, 64 
veins  in 57 
Manhattan  iron  mine,  New  York,  ore  from, 
analysis  of 340 
Manganese  and  iron,  papers  on 317-354 
publications  on,  list,  of 355-356 
Manganese  and  iron  ores  of    the   United 
States,  paper  on 317-320 
Manning,   V.  H.,  map   of   Coeur    d'Alene 
district,  Idaho,  made  by 274 
Mansfeld,  Uermany,  copper  at 222,223 
Marl,  occurrence  and  character  of 529-530 
use  of,  for  Portland  cement 500,522 
Marls,  calcareous,  character  and  extent  of, 
in  Valley  of  Virginia 538-539 
Marsh  field  sa  mist  one,  correlation  of 234 
Martinsburg  shales,  analyses  of 538 
Mary    Let;  coal,  occurrence  and  character 
of 373-374 
Maryland,  cement,  natural,  in,   production 
of 503 
gold  production  of 33 
gold  mining  in.  paper  on 128-131 
slate  quarries  in 486 
Maryland     mine,     (licit     Kails,    Md.,   gold 
mining  at 128-129 
Mascott,  Tenn.,  zinc  near 209 
Massachusetts,  iron  ores  in 337 
tin  in 163 
