warman.]  GREENSTONE GYPSUM.  365 
Griinerite-magnetite-schist,  analysis  of,  from  Michigan,  Marquette  district .  .Ann  15, 
p  569;  Mon  xxvm,  p  338;  Bull  148,  p  98;  Bull  168,  p  64 
of  Lake  Superior  iron-bearing  districts Ann  15, 
p  569;  Mon  xxvm,  pp  337-344,  368-369 
Grunsky  (C.  E.) ,  irrigation  near  Bakersfield,  California WS  17 
irrigation  near  Fresno,  California WS  18 
irrigation  near  Merced,  California WS  19 
Gryphgeas,  Lower  Cretaceous,  of  Texas  region Bull  151 
Guadalupe  River,  Texas,  flow  of,  measurements  of WS  28, 
pp  124, 129;  WS  37,  pp  275-276 
Guallara  sandstone  of  Costa  Rica,  correlation  of Ann  18,  n,  p  342 
Guano,  analyses  of,  from  Africa,  Arabia,  Australia,  South  America,  Cuba,  and 
various  islands Bull  46,  pp  119, 120, 121, 122, 125, 126 
deposits  and  statistics  of Bull  46,  pp  117-125 
Guatemala,  Azoic  formations  in Ann  16,  i,  p  825 
Guertie  sand  of  Indian  Territory Ann  19,  in,  pp  439-440 
Guiana,  diamonds  in,  occurrence  of Ann  16,  iv,  p  597 
Guitermanite   from   Colorado,  San   Juan   County,   description   and   analyses 
of Bull  20,  pp  105-107 
Gulf  group  of  Southern  States Bull  84,  p  326 
of  Texas Ann  18,  n,  pp  238-243;  Ann  21,  vn,  pp  292-344;  GF  64,  p  2 
Gulf  of  Mexico  watershed,  stream  measurements  in Ann  18,  iv,  pp  84-111; 
Ann  19,  iv,  pp 233-253;  Ann  20.  iv,  pp  51-52,  182-195;    Ann 
21,  iv, pp  140-153,  254-277;  WS  L5,pp45-57;  WS27,pp  47-58 
(See,  also,  names  of  individual  streams. ) 
Gulf  slope,  geologic  section  of  coastal  plain  in  eastern  part  of Ann  12, 
i,  fig.  36  (p427) 
Gulf  States,  geologic  section  of Bull  43,  p  15 
Gumbo  in  Illinois,  Iowa,  Kansas,  and  Missouri Mon  xxxvm,  pp  28-33 
Gummite,  analysis  of,  from  North  Carolina,  Mitchell  County Ann  21, 
vi,  p310;  Bull  74,  p  39 
Gunnison  formation  of  Colorado,  Anthracite-Crested  Butte  quadrangles GF  9, 
pp  6,  8,  9 
of  Colorado,  Aspen  district Mon  xxxi,  pp  39-41 
Gunnison  River,  flow  of,  measurements  of Ann  19, 
iv,  pp  404-406;  Ann  20,  iv,  pp  58,  390;  Ann  21,  iv,  pp 
278-279;  Bull  131,  p  48;  Bull  140,  pp  189-191;  WS  16, 
pp  140-141;  WS  28,  pp  136,  142,  144;  WS  37,  pp  297-298 
profile  of WS  44,  p  87 
Gunung  Pepandajan  Volcano,  in  Java,  eruption  of Ann  17,  i,  p  539 
Guts  of  Mississippi  River Ann  12,  i,  pp  434-436 
Guyard  (A. ),  metallurgy  of  Leadville  region,  Colorado Ann  2, 
pp  285-290;  Mon  xn,  pp  609-751 
Guyot  Hill,  Cripple  Creek  district,  Colorado,  rocks  of,  and  character  of  ore 
deposits  in Ann  16,  n,  pp  90-91,  179 
Gymnosperms  from  Carboniferous  basins  of  Missouri,  southwestern Bull  98, 
pp  105-109 
from  Potomac  or  younger  Mesozoic,  fossil  fruits  of Mon  xv,  pp  262-273 
(See,  also,  Coniferse;  Cycadese;  Zamieie,  etc.) 
Gypsum,  analysis  of MR  1887,  pp  598-600 
analysis  of,  from  Colorado,  near  Woody  Creek Mon  xxxi,  p  240 
from  Florida,  Bear  Island Ann  20,  vi  cont,  p  663 
from  Kansas,  various  localities Ann  18,  v  cont,  p  1270 
from  South  Dakota,  Hot  Springs Ann  21,  i v,  p  585 
