56  PUBLICATIONS    OF    IT.    S.    GEOLOGICAL    SURVEY.         [bull.  177. 
Precious  stones,  by  George  F.  Kunz,  pp.  595-605. 
Fertilizers,  pp.  606-627. 
Phosphate  rock,  pp.  607-610. 
The  fertilizer  trade  in  North  Carolina  in  1886,  by  W.  B.  Phillips,  pp.  611-617. 
Marls,  pp.  619-620. 
Gypsum,  pp.  620-623. 
Manufactured  fertilizers,  pp.  623-627. 
Salt,  by  William  A.  Raborg,  pp.  628-641. 
Bromine,  pp.  642-643. 
Sulphur,  by  William  C.  Day,  pp.  644-647. 
Tellurium,  pp.  648-649. 
Pyrites,  by  Richard  P.  Rothwell,  pp.  650-675. 
Phosphorus,  by  George  M.  Turner,  pp.  676-677. 
Borax,  pp.  678-680. 
Alum,  pp.  681-682. 
Bluestone,  p.  683. 
Copperas,  pp.  684-685. 
Graphite,  by  William  A.  Raborg,  pp.  686-689. 
Lithographic  stone,  pp.  690-691. 
Fluorspar,  pp.  692-693. 
Magnesium,  pp.  694-698. 
Strontium,  pp.  699-700. 
Feldspar,  by  William  C.  Day,  p.  701. 
Mineral  paints,  by  Marcus  Benjamin,  pp.  702-714. 
Mineral  waters,  by  A.  C.  Peale,  pp.  715-721. 
Mining  law,  by  E.  R.  L.  Gould,  pp.  722-790. 
Index,  pp.  791-813. 
Department  of  the  Interior  United  States  Geological  Survey  J.  W. 
Powell  Director  Mineral  resources  of  the  United  States  Calendar 
year  1887  David  T.  Day  chief  of  division  of  mining  statistics  and  tech- 
nology   [Vignette]     Washington     Government  Printing  Office     1888 
8°.     vii,  832  pp.     Bound  in  black  cloth.     Price,  50  cents. 
Summary,  pp.  1-9. 
Iron,  pp.  10-57. 
The  iron  and  steel  industries  of  the  United  States  in  1887  and  1888,  by  James 
M.  Swank,  pp.  10-27. 
Iron  in  the  Rocky  Mountain  division,  by  F.  F.  Chisolm,  pp.  28-29. 
Iron  ore  mining  in  1887,  by  John  Birkinbine,  pp.  30-57. 
Gold  and  silver,  pp.  58-65. 
Copper,  by  C.  Kirchhoff,  jr.,  pp.  66-97. 
Lead,  by  C.  Kirchhoff,  jr.,  pp.  98-112. 
Zinc,  by  C.  Kirchhoff,  jr.,  pp.  113-117. 
Quicksilver,   pp.  118-125. 
Nickel,  pp.  126-129. 
Cobalt,  pp.  130-131. 
Chromium,  pp.  132-133. 
Tin,  pp.  134-137. 
Aluminum,  by  R.  L.  Packard,  pp.  138-141. 
Platinum,  pp.  142-143. 
Manganese,  by  Joseph  D.  Weeks,  pp.  144-167. 
Coal,  by  Charles  A.  Ashburner,  pp.  168-382. 
The  manufacture  of  coke,  by  Joseph  D.  Weeks,  pp.  383-435. 
