50  PUBLICATIONS    OF    U.    S.   GEOLOGICAL    SUEVEY.         [bull.  177. 
and  technology    [Vignette]    Washington    Government  Printing  Office 
1883 
8°.     xvii,  813  pp.     Bound  in  black  cloth.     Price,  50  cents. 
Summary,  pp.  xi-xvii. 
Coal,  pp.  1-107. 
General  view  of  the  coal-mining  industry,  pp.  1-7. 
Anthracite,  pp.  7-32. 
Description  and  production  of  the  anthracite  coal  helds  of  Pennsylvania,  by 
Chas.  A.  Ashburner,  pp.  7-32. 
Bituminous  coal,  pp.  33-107. 
Analyses  and  calorific  values  of  some  Utah  coals,  by  Ellsworth  Daggett,  pp. 
76-81. 
Iron,  pp.  108-171. 
Iron  ore  and  its  products,  by  James  M.  Swank,  pp.  108-144. 
Iron  in  the  Rocky  mountain  division,  pp.  144-148. 
Iron  on  the  Pacific  coast,  p.  148. 
The  iron  ores  of  Alabama  in  their  geological  relations,  by  Eugene  A.  Smith, 
pp.  149-161. 
Utilization  of  blast-furnace  slag,  pp.  161-164. 
The  Bower-Barff  process,  by  A.  S.  Bower,  pp.  164-171. 
Gold  and  silver,  pp.  172-185. 
Petroleum,  by  S.  H.  Stowell,  pp.  186-212. 
Copper,  pp.  213-305. 
The  copper  industry  of  the  United  States,  by  C.  Kirchhoff,  jr.,  pp.  213-257. 
The  metallurgy  of  copper,  by  James  Douglas,  jr.,  pp.  257-280. 
The  roasting  of  copper  ores  and  furnace  products,  by  Edward  D.  Peters,  jr., 
pp.  280-297. 
Bluestone,  pp.  297-305. 
The  manufacture  of  bluestone  at  the  Lyon  mill,  Dayton,  Nevada,  by  J.  E. 
Gignoux,  pp.  297-305. 
Lead,  pp.  306-345. 
The  lead  industry  of  the  United  States,  by  C.  Kirchhoff,  jr.,  pp.  306-323. 
The  smelting  of  argentiferous  lead  in  the  far  West,  by  O.  H.  Hahn,  pp.  324-345. 
Zinc,  pp.  346-386. 
The  zinc  industry  of  the  United  States,  by  C.  Kirchhoff,  jr.,  pp.  346-358. 
The  mining  and  metallurgy  of  zinc  in  the  United  States,  by  F.  L.  Clerc,  pp. 
358-386. 
Quicksilver,  pp.  387-398. 
Nickel,  by  W.  P.  Blake,  pp.  399-420. 
Cobalt,  by  F.  W.  Taylor,  pp.  421-423. 
Manganese,  by  David  T.  Day,  pp.  424-427. 
Chromium,  by  David  T.  Day,  pp.  428-430. 
Tungsten,  by  David  T.  Day,  pp.  431-433. 
Tin,  pp.  434-437. 
Antimony,  pp.  438-439. 
Bismuth,  p.  440. 
Arsenic,  p.  441. 
Platinum,  pp.  442-443. 
Iridium,  by  F.  W.  Clarke,  p.  444. 
Aluminum,  by  R.  L.  Packard,  p.  445. 
Molybdenum,  p.  446. 
Tellurium,  p.  447. 
Uranium,  p.  448. 
