4  CONTENTS. 
Page. 
Aluminum  and  bauxite 215 
New  Mexico: 
The  Gila  River  alum  deposits,  by  C.  W.  Hayes 215 
Survey  publications  on  aluminum  ores — bauxite,  cryolite,  etc 224  t 
Portland,  natural,  and  puzzolan  cements 225 
Iowa: 
Portland-cement  materials  near  Dubuque,  by  E.  F.  Burchard 225 
Wyoming: 
Portland-cement  materials  in  eastern  Wyoming,  by  S.  H.  Ball 232 
Survey  publications  on  Portland,  natural,  and  puzzolan  cements 245 
Lime,  magnesite,  etc 247 
Alabama: 
Limestone  and  dolomite  in  the  Birmingham  district,  by  Charles  Butts. .       247 
Sand-lime  brickmaking  near  Birmingham,  by  Charles  Butts 256 
Survey  publications  on  lime  and  magnesia 259 
Gypsum,  plasters,  etc 260 
New  Mexico: 
Gypsum  in  northwestern  New  Mexico,  by  M.  K.  Shaler 260 
Survey  publications  on  gypsum  and  plasters 266 
Survey  publications  on  salt,  borax,  and  soda 267 
Clays  and  clay  products 268 
General: 
Properties  and  tests  of  fuller's  earth,  by  J.  T.  Porter 268 
Alabama: 
Clays  of  the  Birmingham  district,  by  Charles  Butts 291 
Colorado-  New  Mexico: 
Clay  deposits  of  the  western  part  of  the  Durango-Gallup  coal  field,  by 
M .  K.  Shaler  and  J.  H.  Gardner 296 
Georgia: 
Kaolins  and  fire  clays  of  central  Georgia,  by  Otto  Veatch 303 
Missouri : 
Clay  resources  of  the  St.  Louis  district,  by  X.  M.  Fenneman 315 
Pennsylvania: 
While  clays  of  South  Mountain,  by  G.  W.  Stose 322 
Clays  and  shales  of  the  Clarion  quadrangle,  Clarion  County,  by  E.  F. 
Lines 335 
•  lays  and  shales  of  southwestern  Cambria  County,  by  W.  C.  Phalen 
and  Lawrence  Martin 344 
Survey  publications  on  clays,  fuller's  earth,  etc 355 
Building  stone    \\i<  road  metal 356 
New  England : 
Recent  work  on  Xew  England  granites,  by  T.  N.  Dale 356 
Survey  publications  on  building  stone  and  road  met al 360 
Glass- ma  king   materials 361. 
General : 
Glass-sand  industry  of  Indiana,  Kentucky,  and  Ohio,  by  E.  F.  Bur- 
chard         361 
Notes  on  various  glass  sands,  mainly  undeveloped,  by  E.  F.  Burchard. .       377 
Quartz  and  feldspar 383 
Maine : 
Feldspar  and  quart z  deposits  of  Maine,  by  E.  S.  Basl in 383 
New  York: 
Feldspar  and  quartz  deposits  of  southeastern  New  York,  by  E.  S. 
Bastin 394 
