732  INDEX    TO    PUBLICATIONS    OF    U.    S.    GEOL.   SURVEY,     [bull.  177. 
Silurian  rocks;  Uinta  sandstone  of  Colorado,  northwestern Ann  9,  pp  687-688 
Ute  limestone  of  Colorado,  age,  character,  and  thickness  of Ann  2,  p  217 
Utica  shale  of  Indiana Ann  8,  n,  pp  638-639;  Ann  11,  i,  pp  629-630 
of  Michigan WS  30,  p  89 
of  Ohio Ann  8,  n,  pp  549,  556-558,  638-639;  Ann  19,  iv,  p  641 
Waterlime  formation  of  Indiana Ann  8,  n,  p  633;  Ann  11,  i,  pp  633-634 
of  Ohio Ann  8,  n,  p  507 
White  limestone  of  Colorado,  Leadville Ann  2,  pp  216,  218;  Mon  xn,  pp  60-61 
Winchester  limestone  of  Kentucky GF  46,  p  2 
Yule  limestone  of  Colorado GF  9,  p  6;  GF  48,  p  1 
(See,  also,  Paleozoic.) 
Siluro-Devonian  rocks  of  Montana,  Judith  Mountains Ann  18,  in,  pp  459,  468-470 
of  Montana,  Little  Belt  Mountains Ann  20,  in,  pp  287-289,  383 
Silver,  discovery  of,  in  western  United  States. . .» Mon  in,  pp  26-28 
in  California,  Nevada  City  and  Grass  Valley  districts Ann  17,  n,  pp  27,  262 
in  Colorado,  discovery  of Mon  xn,  pp  7-10 
La  Plata  quadrangle GF  60,  pp  12-14 
in  country  rocks,  determination  of Ann  6,  pp  345-348 
in  eruptive  rocks Mon  xn,  p  579 
in  Idaho,  Boise  Mountains Ann  18,  in,  p  718 
Boise  quadrangle GF  45,  p  6 
in  Montana,  Butte  district GF  38,  pp  3,  5,  7-8 
Castle  Mountain  district Bull  139,  pp  150-156 
Fort  Benton  quadrangle GF  55,  p  6 
Neihart  district Ann  20,  in,  p  408 
Three  Forks  quadrangle GF  24,  p  5 
in  Nevada,  Comstock  lode Mon  in,  pp  6-7,  9,  18,  224-225,  268 
in  Philippine  Islands Ann  19,  vi  cont,  p  692 
in  Texas,  Uvalde  quadrangle GF  64,  p  5 
in  Utah,  Mercur  district Ann  16,  n,  pp  393-394 
Tintic  district,  production  of Ann  19,  in,  pp  615-616;  GF  65,  p  5 
quantitative  determination  of,  by  means  of  microscope Ann  6,  pp  323-352 
Silver  and  gold,  conversion  tables  of Bull  2 
in  United  States,  production  of,  since  1792... MR  1888,  p  38;  MR  1891,  pp  74-75 
statistics  of Ann  1,  p  73;  Ann  2,  pp  331-401 ;  MR 
1882,  pp  172-185;  MR  1883-84,  pp  312-321;  MR  1885,  pp 
200-207;  MR  1886,  pp  104-108;  MR  1887,  pp  58-65;  MR 
1888,  pp  36-42;  MR  1889-90,  pp  48-55;  MR  1891,  pp  74-80; 
MR  1892,  pp  46-94;  MR  1893,  pp  50-61;  Ann  16,  in,  p  258; 
Ann  17,  in,  pp  72-79;  Ann  18,  v,  pp  141-151;  Ann  19,  vi, 
pp  127-135;  Ann  20,  vi,  pp  103-111;  Ann  21,  vi,  pp  120-127 
(See,  also,  Precious  metals.) 
Silver  and  gold  districts  of  Idaho Ann  16,  n,  pp  250-274;  .Ann  20,  in,  pp  65-256 
Silver,  colloidal,  contribution  to  knowledge  of Bull  113,  pp  102-108 
Silver-gold  veins  of  California,  Ophir Ann  14,  n,  pp  243-284 
Silver,  hydrosol  of,  preparation  of Bull  113,  pp  99-101 
Silver-lead  deposits  of  Colorado,  Leadville  district Mon  xn,  pp  367-584 
of  Idaho Ann  20,  in,  pp  198-206,  214-217 
of  Montana,  Neihart  district Ann  20,  in,  pp  405-413 
of  Nevada,  Eureka Mon  vn 
Silver  minerals  in  Colorado,  Cripple  Creek  district Ann  16,  n,  p  124 
in  Utah,  Tintic  district Ann  19,  in,  pp  691,  694-695 
Silver  ore,  analysis  of,  from  Colorado,  Cripple  Creek  district Ann  16,  n,  p  124 
analysis  of,  from  Colorado,  various  (manganiferous) Ann  18,  v,  pp  302-303 
from  Montana  (manganiferous) Ann  16,  in,  p  418;  MR  1893,  p  131 
of  Utah,  Mercur  district,  occurrence,  nature  and  genesis  of..  Ann  16,  n,  pp  383-402 
