306  INDEX    TO    PUBLICATIONS    OF    U.    S.    GEOL.    SURVEY,      [bull.  177. 
Elevation  and  subsidence  of  Cape  Ann  district,  evidences  of  recent Ann  9, 
pp  567-574 
of  Dismal  Swamp  district Ann  10,  i,  pp  328-332 
Elevations  along  forty-ninth  parallel Bull  1 74,  pp  42-57 
in  Dominion  of  Canada Bull  6 
in  Iowa,  Nebraska,  and  South  Dakota Bull  158,  pp  154-167 
in  North  Dakota  and  South  Dakota Bull  144,  pp  61-69 
in  South  Dakota,  southeastern  Red  Lake  region,  along  Big  Sioux  River, 
etc Bull  158,  pp  38-39,  48-49,  59,  91-92,  108 
in  United  States,  dictionaries  of Bull  5;  Bull  76;  Bull  160 
lists  of.      (See  under  names  of  States.) 
Elizabeth  or  Gosnold  Islands,  glacial  clays  of Ann  17,  i,  p  893 
Elk  Garden  coal  field,  West  Virginia,  extent,  production,  etc.. Ann  14,  n,  pp 579-582 
Elk  Mountains,  Colorado,  Archean  and  Algonkian  rocks  of Bull  86,  p  317 
geology,  mineral  resources,  etc.,  of Ann  14,  n,  pp  177-203;  GF  9,  pp  1-3 
Elkgarden  formation  of  West  Virginia  and  Maryland „ GF  28,  p  4 
Elkhorn  River,  Nebraska,  flow  of,  measurements  of Ann 
18,  iv,  pp  190-192, 193;  Ann  19,  iv,  pp  334-335;  Ann  20, 
iv,  pp  55,  296-297,  299;  Ann  21,  iv,  pp  217-219;  WS 
15,  pp  99-100;  WS  27,  pp  85,  88;    WS  37,   pp  243-245 
Ellensburg  quadrangle,  Washington,  forest  conditions  in Ann  21,  v,  pp  580-581 
Ellensburg  sandstone  of  Washington,  northern Ann  20,  n,  pp  127-128 
Ellis  formation  of  Montana GF  1,  p  2;  GF  24,  p  2;  GF  55,  p  2;  GF  56,  p  2 
of  Yellowstone  Park Mon  xxxn,  n,  pp  37,  38, 48,  49,  51,  54,  156;  GF  30,  p  5 
Elmoro  quadrangle,  Colorado,  geology  of GF  58 
Elpasolite  from  Colorado,  El  Paso  County,  description  and  analysis  of Bull  20,  p  57 
Elpidite,  chemical  constitution  of Bull  125,  pp  76, 105 
Elwha  River,  Washington,  flow  of,  measurements  of Ann  20, 
iv,  pp  63,  519-521;   Ann  21,  iv,  pp  439-441;  WS 
16,  p  183;  WS  28,  pp  174, 176;  WS  38,  pp  384-385 
Embankments  and  terraces,  formation  of Ann  2,  pp  171-172;  Ann  3,  pp  206-208; 
Mon  i,  pp  36,  46-58,  78-86;  Mon  xi,  pp  88-89 
Embudo  gaging  station,  New  Mexico,  measurements  at,  results  of Ann  12, 
pp  257-258 
Emerald,  occurrence  and  statistics  of MR  1882,  p  487; 
MR  1883-84,  pp  738-740,  781;  MR  1885,  pp  437-438,  443; 
MR  1886,  p  604;  MR  1887,  pp  556,  557;  MR  1888,  pp  584, 
585;  MR  1889-90,  pp  446,  447,  448;  MR  1891,  pp  539,  544; 
MR  1892,  pp  765-766,  781;  MR  1893,  pp  681,  682,  696-697; 
Ann  16,  iv,  pp  600,  604,  605;  Ann  17,  in  cont,  p  923; 
Ann  18,  v  cont,  pp  1203,  1217;  Ann  19,  vi  cont,  p  513;  Ann 
20,  vi  cont,  pp  576-577,  599;  Ann  21,  vi  cont,  pp  449-450,  461 
Emeralds  in  North  Carolina,  discovery  of MR  1882,  pp  500-502 
(See,  also,  Precious  stones. ) 
Emerson  (B.  K. ),  geology  of  eastern  Berkshire  County,  Massachusetts Bull  159 
geology  of  Holyoke  quadrangle,  Massachusetts-Connecticut GF  50 
geology  of  old  Hampshire  County,  Massachusetts,  comprising  Franklin, 
Hampshire,  and  Hampden  counties Mon  xxix 
mineralogic   lexicon  of   Franklin,   Hampshire,   and   Hampden   counties, 
Massachusetts Mon  xxix,  pp  754-761;  Bull  126 
work  in  charge  of,  1892-1900 Ann  14,  i,  p  250;  Ann  15,  p  18; 
Ann  16,  i,  pp  15-16;  Ann  17,  i,  pp  18-19;  Ann  18,  i,  p  23; 
Ann  19,  i,  pp  31-32;  Ann  20,  i,  p  33;  Ann  21,  r,  pp  68-69 
Emery,  analysis  of,  from  Massachusetts Bull  126,  p  62 
