176  INDEX    TO    PUBLICATIONS    OF    U.   S.    GEOL.   SURVEY,     [bull.  177. 
Brazil,  manganese  deposits  and  production  of Ann  18, 
v,  p  313;  Ann  19,  vi,  pp  107-108;  Ann  20,  vi, 
pp  140-142,  156;  Ann  21,  vi,  pp  149-151, 162 
quicksilver  deposits  in Mon  xiii,  pp  23-24 
Brazos  River,  Texas,  flow  of,  measurements  of WS  28,  pp  121,  129, 
130;  WS  37,  pp  272-273; 
profile  of WS44,  pp  33-34 
I $r<  athitt  formation  of  Kentucky GF  47,  p  3 
Breccia,  analysis  of,  from  Colorado,  Leadville  district Mon  xn,  p  602 
analysis  of,  from  Great  Britain,  Wales  (felsitic  tuff) Bull  62,  p  1 53 
from  Montana,  High  wood  Mountains  (trachy-andesitic)  ...  - Bull  14P, 
p  152;  Bull  168,  p  131 
from  Yellowstone  Park,  Absaroka  Range  (basalt-glass) Bull  168,  p  92 
Absaroka  Range,  early  acid  rocks  in Mon  xxxn,  p  272 
Sepulchre  Mountain  (hornblende-pyronene-andesite) . .  .Ann  12,  i,  p  648 
Sepulchre  Mountain  (andesite) Bull  168,  p  91 
description  of  the  rock,  as  one  of  the  educational  series Bull  150,  pp  72-74 
of  Colorado,  Anthracite  quadrangle GF  9,  p  5 
Pikes  Peak  quadrangle GF  7,  pp  3, 4,  7 
of  Montana,  Fort  Benton  quadrangle  (andesite  and  basaltic;) GF  55,  p  3 
Little  Belt  Mountains  quandrangle  (rhyolite) GF  56,  p  5 
Livingston  quadrangle  (andesitic) GF  1,  p  3 
of  Texas,  San  Carlos  coal  field  (rhyolite) Bull  164,  pp  89-90 
of  Wyoming,  Absaroka  district  (acid  and  basic) GF  52,  pp  3,  4 
Sepulchre  Mountain  (andesitic) Ann  12,  i,  pp  634-640 
of  Yellowstone  Park  and  vicinity Mon  xxxn,  n, 
pp  121-127,  219-223,  237-239,  270-304;  GF  30,  pp  2-3,  6 
thin  section  of,  from  Massachusetts  (glass  and  sand) Mon  xxix,  p  422 
from  Michigan,  Crystal  Falls  district  (aporhyolite) .  .Mon  xxxvi,  pp  276-277 
Breccia  and  tuff  of  Colorado,  Cripple  Creek  district  (andesitic) Ann  16, 
ii,  pp  50-53,  60-65,  73-74,  78,  81,  86,  88,  92,  94,  95, 100-102 
of  Montana,  microscopic  petrography  of Bull  139,  pp  127-128 
of  Sierra  Nevada,  mode  of  formation  of  (andesite) Ann  17,  i,  pp  537-538 
Brecciation  and  brecciation-pebbles  as  illustrated  in  eastern  New  York Ann  1 6, 
i,  pp  568-569 
Bretonian  series,  origin  of  name Bull  81,  p  247 
Brewer  (W.  M. ),  graphite,  occurrence  of,  in  the  South.  .Ann  17,  in  cont,  pp  1008-1010 
Brewsterite,  chemical  constitution  of Bull  125,  pp  40, 102 
Briceville  quadrangle,  Tennessee,  geology  of GF  33 
Briceville  shale  in  Tennessee GF  25,  p  4;  GF  33,  p  3;  GF  40,  p  2 
Brick,  process  of  making MR  1892,  pp  715-724 
use  of,  for  street  paving MR  1892,  pp  723,  724 
in  road  making Ann  15,  pp  279-281 
Brick,  paving,  clays  of  Massachusetts  suitable  for  making Ann  16,  n,  pp  324-326 
Brick,  tile,  etc.,  statistics  of MR  1882,  pp  457-458; 
MR  1883-84,  pp  679-711;  MR  1885,  pp  415-427;  MR  1886, 
pp  566-580;  MR  1887,  pp  534-551;  MR  1888,  pp  557-571; 
MR  1892,  pp  715-724;  MR  1893,  pp  605-609;  Ann  16, 
iv,  p  518  et  seq;  Ann  17,  in  cont,  pp  819,  832-834;  Ann 
18,  v  cont,  pp  1077-1099;  Ann  19,  vi  cont,  pp  317-345; 
Ann  20,  vi  cont,  pp  4X3-503;  Ann  21,  vi  cont,  pp  367-369 
Brick  clay.  (See  Clay,  brick.) 
Bridge-building,  iron  and  steel,  progress  in MR  1891,  pp  66-68 
