58  PUBLICATIONS    OF    V.   S.   GEOLOGICAL    SURVEY.        [bull.  177. 
The  manufacture  of  coke,  by  Joseph  D.  Weeks,  pp.  395-441 . 
Petroleum,  by  Joseph  D.  Weeks,  pp.  442-480. 
Natural  gas,  by  Joseph  D.  Weeks,  pp.  481-512. 
Asphaltum,  pp.  513-514. 
Ozokerite,  p.  515. 
Structural  materials,  by  William  C.  Day,  pp.  516-575. 
The  building  industry  in  general,  pp.  516-536. 
Granite  and  allied  rocks,  pp.  536-544. 
Sandstone,  pp.  544-547. 
Slate,  pp.  547-551. 
Cement,  pp.  551-554. 
Lime,  pp.  554-557. 
Brick,  pp.  557-571. 
Pottery,  pp.  571-575. 
Abrasive  materials,  pp.  576-579. 
Precious  stones,  by  George  F.  Kunz,  pp.  580-585. 
Fertilizers,  pp.  586-596. 
Salt,  by  William  A.  Raborg,  pp.  597-612. 
Bromine,  p.  613. 
Mica,  pp.  614-615. 
Mineral  paints,  pp.  616-622. 
Mineral  waters,  by  A.  C.  Peale,  pp.  623-630. 
Index,  pp.  631-652. 
Department  of  the  Interior  United  States  Geological  Survey  J. 
W.  Powell  Director  Mineral  resources  of  the  United  States  Calen- 
dar years  1889  and  1890  David  T.  Day  chief  of  division  of  mining 
statistics  and  technology  [Vignette]  Washington  Government 
Printing  Office     1892 
8°.     viii,  671  pp.     Bound  in  black  cloth.     Price,  50  cents. 
Summary,  pp.  1-9. 
Iron,  pp.  10-47. 
The  iron  and  steel  industries  of  the  United  States  in  1889,  1890,  and  1891,  by 
James  M.  Swank,  pp.  10-22. 
Iron  ores,  by  John  Birkinbine,  pp.  23-47. 
Gold  and  silver,  by  William  Kent,  pp.  48-55. 
Copper,  by  C.  Kirchhoff,  pp.  56-77. 
Lead,  by  C.  Kirchhoff,  pp.  78-87. 
Zinc,  by  C.  Kirchhoff,  pp.  88-93. 
Quicksilver,  pp.  94-109. 
Aluminum,  by  C.  L.  Packard,  pp.  110-118. 
Tin,  pp.  119-123. 
Nickel  and  cobalt,  pp.  124-126. 
Manganese,  by  Joseph  D.  Weeks,  pp.  127-136. 
Chromic  iron  ore,  pp.  137-140. 
Antimony,  pp.  141-142. 
Platinum,  pp.  143-144. 
Coal,  by  E.  W.  Parker,  pp.  145-286. 
Pennsylvania  anthracite,  by  John  H.  Jones,  pp.  242-252 
Petroleum,  by  Joseph  D.  Weeks,  pp.  287-365. 
Natural  gas,  by  Joseph  D.  Weeks,  pp.  366-372. 
