CONTENTS.  5 
Page. 
Cements 424 
Alabama: 
Cement  resources  of  Alabama,  by  Eugene  A.  Smith 424 
Pennsylvania-New  Jersey: 
Cement-rock  deposits  of  the  Lehigh  district,  by  Edwin  C.  Eckel 448 
Virginia: 
Cement  resources  of  the  valley  of  Virginia,  by  Charles  Catlett 457 
Geological  Survey  publications  on  cements 462 
Clays,  fuller's  earth,  etc 463 
Pennsylvania: 
Clays  of  the  Ohio  Valley  in  Pennsylvania,  by  L.  H.  Woolsey 463 
Geological  Survey  publications  on  clays,  fuller's  earth,  etc 481 
Salt,  gypsum,  borax,  and  soda 482 
Utah: 
Rock  gypsum  at  Nephi,  by  J.  M.  Boutwell 483 
Utah  and  California: 
Salt  industry  of  Utah  and  California,  by  Edwin  C.  Eckel 488 
Geological  Survey  publications  on  salt,  gypsum,  borax,  soda,  etc 496 
Sulphur,  pyrite,  and  alum 497 
Nevada: 
The  Rabbit  Hole  sulphur  mines,  near  Humboldt  House,  by  George  I. 
Adams 497 
Alum  deposit  near  Silver  Peak,  Esmeralda  County,  by  J.  E.  Spurr. . .  501 
Geological  Survey  publications  on  sulphur  and  pyrite 503 
Phosphates  and  other  mineral  products 504 
Publications  on  phosphates  and  other  mineral  fertilizers 504 
Miscellaneous  nonmetallic  mineral  products 505 
Illinois: 
Fluorspar  deposits  of  southern  Illinois,  by  H.  Foster  Bain 505 
New  York: 
Graphite  in  the  eastern  Adirondacks,  by  J.  F.  Kemp 512 
Pennsylvania  and  West  Virginia: 
Barite  in  southern  Pennsylvania,  and  pure   limestone  in   Berkeley 
County,  W.  Va. ,  by  George  W.  Stose , 515 
Publications  on  mica,  graphite,  abrasive  materials,  etc 518 
Index 519 
