man.]  SIXTEENTH    ANNUAL    REPORT.  19 
Pt.  III.   Mineral  resources  of  the  United  States,  1894;  metallic  products— Cont. 
Gold  fields  of  the  Southern  Appalachians,  by  George  F.  Becker,   pp. 
25 1  -33 1 ,  jils.  x vi-xviii. 
( Jopper,  by  Charles  Kirchhoff,  pp.  332-358. 
Lead,  by  Charles  Kirchhoff,  pp.  359-377. 
Zinc,  by  Charles  Kirchhoff,  pp.  378-388. 
.Manganese,  by  Joseph  D.  Weeks,  pp.  389-457. 
The  production  of  tin  in  various  parts  of  the  world,  by  Charles  M. 
Polker,  pp.  458-538,  pi.  xix. 
Aluminum,  by  R.  L.  Packard,  pp.  539-546. 
Bauxite,  by  Charles  Willard  Hayes,  pp.  547-597,  pis.  xx-xxiii. 
Quicksilver,  pp.  598-604. 
Nickel,  pp.  605-607. 
( Jhromium,  pp.  608-614. 
Alloys  of  iron  and  chromium,  by  F.  L.  Garrison,  pp.  610-614. 
Tungsten,  pp.  615-623. 
Alloys  of  iron  and  tungsten,  by  F.  L.  <  iarrison,  pp.  (515-623. 
Antimony,  by  Edward  W.  Parker,  pp.  624-627. 
Platinum,  pp.  628-633. 
Index,  pp.  635-646. 
Pt.  IV.  Mineral  resources  of  the  United  Stales,  ls«. )4;  nonmetallic  products,    xix, 
735  pp.,  6  pis. 
( !oal,  by  Edward  W.  Parker,  pp.  1-217. 
The  manufacture  of  coke,  by  Joseph  D.  Weeks,  pp.  218-304. 
I  >rigin,  distribution,  and  commercial  value  of  peat  deposits,  by  N.    S. 
Shaler,  pp.  305-314. 
Petroleum,  by  Joseph  I).  Weeks,  pp.  315-404. 
Natural  gas  in  L894,  by  Joseph  I).  Weeks,  pp.  405-42!). 
Asphaltum,  by  Edward  W.  Pa iker,  pp.  430-435. 
Stone,  by  William  C.  Day,  pp.  436-510,  pis.  i-iv. 
Notes  on  Iowa  building  stones,  by  H.  Foster  Bain,  pp.  500-503. 
Soapstone,  by  Edward  W.  Parker,  pp.  511-513. 
Magnesite,  pp.  514-516. 
Clay,  pp.  517-575. 
Statistics  of  the  clay- working  industries  of  the  United  States  in  1*1)4, 
by  Jefferson  Middleton,  pp.  517-522. 
Technology  of  the  clay  industry,  by  Heinrich  Ries,  pp.  523-575. 
Cement,  pp.  576-585. 
American  rock  cement,  by  Uriah  Cummings,  pp.  576-579. 
Portland  cement,  by  Spencer  B.  Newberry,  pp.  580-585. 
Abrasive  materials,  by  Edward  W.  Parker,  pp.  586-594. 
Precious  stones,  by  George  Frederick  Kunz,  pp.  595-605. 
Fertilizers,  pp.  606-635,  pis.  v-vi. 
The  Tennessee  phosphates,  by  Charles  Willard  Hayes,  pp.  610-630, 
pis.  v,  vi. 
Commercial  development  of  the  Tennessee  phosphate,  by  C.  G. 
Memminger,  pp.  631-635. 
Sulphur  and  pyrites,  by  Edward  W.  Parker,  pp.  6315-645. 
Salt,  by  Edward  W.  Parker,  pp.  646-657. 
Fluorspar,  pp.  658-659. 
Mica,  pp.  660-661. 
Gypsum,  by  Edward  W.  Parker,  pp.  662-666. 
Monazite,  by  H.  B.  C.  Nitze,  pp.  667-693. 
Mineral  paints,  by  Edward  W.  Parker,  pp.  694-700. 
