INDEX 
A.  Page. 
Abrasive  materials,  papers  on 438-447 
Survey  publications  on,  list  of 448 
Acme  Glass  Sand  Company,  quarry  of...  367-368 
Adami,  Mr.,  aid  by 31 
Adams  mine,  N.  C,  description  of 416-417 
section  of,  figure  showing 416 
Akron,  Ohio,  glass  sand  at 367,374 
Akron  White  Sand  Company,  quarry  of . . .      374 
Alabama,  clays  of,  paper  on 291-295 
geologic  section  in 153 
glass  sand  in 377 
iron  making  in 159 
iron  ores  in,  analyses  of. . .  135, 154, 176, 177, 178 
origin  of 149, 178-181 
paper  on 161-184 
production  of 150-151, 159 
work  on 20-21, 130-184 
limestone  and  dolomite  in,  work  on. .  247-255 
sand-lime  brick  making  in,  work  on . .  256-258 
Alabama-Virginia  Iron  Ore  Company,  mines 
of 158 
Alaska,  work  in,  reference  to  reports  on 7 
Albion    Kaolin   Company,  Ga.,   clay    beds 
worked  by 311-312 
Allegheny  formation,  clays  in 337- 
339, 342, 345, 347-348, 353 
section  of 336 
Allen,  O.  D.,  analysis  by. 209 
Alum  Creek,  N.  Mex.,  alum  rock  from,  analy- 
ses of 219 
Alum  deposits  along  Gila  River,  paper  on .  215-223 
Alum  rock,  analyses  of 219 
Aluminum  ores,  Survey  publications  on 224 
work  on 23, 215-223 
Alunogen,  analyses  of 220 
Alunogen  Ridge,  N.  Mex.,  alum  rock  from, 
analysis  of 219 
American  Clay  Company,  Ga.,  clays  worked 
by 308 
American  Phosphorus  Company,  mine  and 
works  of 475,  482 
patents  of 480-481 
American  Window  Glass  Company,  quarry 
of 369 
Analyses.    See  names  of  substances. 
Andeluvia  Mountain,  Ala.,  iron  ore  in,  oc- 
currence of 168, 171 
Anderson,  Robert,  and  Arnold,  Ralph,  pa- 
per by,  on  diatomaceous  de- 
posits   in    Santa    Barbara 
County,  Cal 438-446 
work  of. 25 
Page, 
Andrews,  J.  K.,  coal  bank  of,  clay  at 338 
Androscoggin  River,  pegmatites  on 384 
Apatite,  extraction  of  phosphorus  from 474 
Arizona,  bauxite  deposits  in,  work  on 23 
metalliferous  ores  in,  work  on 16 
Arkansas,  aluminum  ores  in,  work  on 23 
geology  of 465 
glass  sand  in 378 
analysis  of 382 
manganese  in 466 
phosphate    deposits    in.    See    Lafferty 
Creek,  Ark. 
secti on  in 465 
Arkansas  Fertilizer  Company,  history  of .  467-468 
Arkansas    Phosphate  Company,  organiza- 
tion of 467 
Arnold,  Ralph,  and  Anderson,  Robert,  pa- 
per by,  on  diatomaceous  de- 
posits   in     Santa    Barbara 
County,  Cal 438-446 
work  of 25 
Ashley,  G.  H.,  cited  on  Tertiary  deposits  of 
Indiana 366 
Atlanta  Mining  and  Clay  Company,  beds 
worked  by 307 
Auburn,  Me.,  feldspar  at 391-392 
Augusta,  Ga.,  glass  works  at 378 
Austin,  W.  I/.,  paper  by,  on  nickel  ores  from 
Oregon,  reference  to 120 
I'.. 
Bacorn,  F.  W.  and  H.  C,  aid  by 31 
Balaam  Brothers,  quarry  of 440 
Baldauf  No.  1  mine,  Pa.,  shale  at 337 
Ball,  S.  II.,  paper  by,  on  copper  deposits  in 
Wyoming 93-107 
paper  by,  on  graphite  in  Haystack  Hills, 
Wyo 426-428 
on  Hartville  iron-ore  range,  Wyo.  190-205 
on    mica   in    the   Hartville    uplift, 
Wyo 423-425 
on    Portland   cement   materials    in 
eastern  Wyoming 232-244 
on   titaniferous    iron    ore    of    Iron 
Mountain,  Wyo 206-212 
work  of 19, 22, 23, 24, 25, 190, 206, 232 
Bangor  limestone,  analyses  of 158, 248, 249 
description  of 247-249 
sections  of 248 
Banister,  J.  R.,  work  of 225 
Barr,  W.  M.,  analysis  by 488 
Barrs  Mill,  Ohio,  glass  sand  at 374 
491 
