812  INDEX    TO    PUBLICATIONS    OF    IT.    S.    GEOL.    SURVEY,      [bill.  177. 
Virgen,  Valley  of  the,  and  Vermilion  Cliffs,  Grand  Canyon  district,  description  of  .Ann 
2,  pp  83-91 ;  Mon  n,  pp  51-60 
Virginia;  altitudes  in Bull  5,  pp  304-311;  Bull  76;  Bull  160,  pp  724-737 
Appomattox  River,  profile  of WS  44,  p  23 
artesian  and  other  wells  in  eastern Bull  138,  pp  164-190 
atlas  sheets  of.      (See  list  on  pp  97-98  of  this  bulletin.) 
barite  in  Bristol  quadrangle GF  59,  p  8 
in  Tazewell  quadrangle GF  44,  p  4 
Big  Stone  Gap  coal  field  of  Kentucky  and Bull  111 
boundary  lines  of Bull  13,  pp  88-92;  Bull  171,  pp  94-98 
brick  industry  of MR  1887,  pp  536,  539;  MR  1888,  pp  563-564 
Bristol  quadrangle,  geology  of GF  59 
building  stone,  at  World's  Columbian  Exposition MR  1893,  p  573 
in  Estillville  quadrangle GF  12,  p  5 
in  Franklin  quadrangle GF  32,  p  5 
in  Fredericksburg  quadrangle GF  13,  p  5 
in  Harpers  Ferry  quadrangle GF  10,  pp  4-5 
in  Monterey  quadrangle GF  61,  p  7 
in  Nomini  quadrangle GF  23,  p  4 
in  Pocahontas  quadrangle GF  26,  p  5 
in  Washington  (D.  C. )  quadrangle GF  70,  p  7 
statistics  of MR  1882,  pp  451,  452; 
MR  1887,  p  514;  MR  1888,  p  536;  MR  1889-90,  pp  373, 
435-437;  MR  1891,  pp  457,  460,  461,  463,"  467;  MR  1892,  pp 
706,  708,  710,  711;  MR  1893,  pp  544,  547,  549,  550,  551,  553, 
556;  Ann  16,  iv,  p  437  et  seq;  Ann  17,  in  cont,  p  761  et  seq; 
Ann  18,  v  cont,  p  951  et  seq;  Ann  19,  vi  cont,  p  207  et  seq; 
Ann  20,  vi  cont,  p  271  et  seq;  Ann  21,  vi  cont,  p  335  et  seq 
Catoctin  belt,  geology  of Ann  14,  n,  pp  285-395 
cement  pr<  (duction  of,  statistics  of MR  1891,  p  532; 
MR  1892,  pp  739-740;  MR  1893,  p  619;  Ann  16,  iv,  p577;  Ann 
17,  in  cont,  p  891;  Ann  18,  v  cont,  p  1179;  Ann  19,  vi  cont, 
p  495;  Ann  20,  vi  cont,  pp  547,  550;  Ann  21,  vi  cont,  p  408 
clay  in  Franklin  quadrangle GF  32,  p  5 
in  Fredericksburg  quadrangle GF  13,  p  5 
in  Monterey  quadrangle GF  61,  p  7 
in  Nomini  quadrangle GF  23,  p  4 
in  Washington  (D.  C. )  quadrangle GF  70,  p  7 
clay  deposits  and  production  of,  statistics  of MR  1882,  p  743;  MR 
1883-84,  p  678;  MR  1887,  p  803;  MR  1891,  p  505;  Ann  16, 
iv,  pp  518,  519,  520,  521;  Ann  17,  in  cont,  p  821  et  seq;  Ann 
18,  v,  cont,  p  1078  et  seq;  Ann  19,  vi  cont,  pp  319  et  seq,  372; 
Ann  20,  vi  cont,  pp  467  et  seq,  534;  Ann  21,  vi  cont,  p  362 
clay  and  brick  industry  in MR  1893,  pp  610-611 
clay,  lime,  and  cement  in  Harpers  Ferry  quadrangle GF  10,  p  4 
Clinch  River,  course  and  character  of GF  59,  p  1 
profile  of WS  44,  p  55 
coal,  area  and  statistics  of Ann  2,  p  xxviii;  MR  1882,  p  82;  MR  1883-84, 
pp  12,  90-98;  MR  1885,  pp  11,  69;  MR  1886,  pp  225,  230, 352- 
356;  MR  1887,  pp  169,171,360-367;  MR  1888,  pp  169,171, 
377-381;  MR  1889-90,  pp  146,  272-275;  MR  1891,  pp  180,  330- 
331 ;  MR  1892,  pp  264,  267,  268,  520-528;  MR  1893,  pp  188, 189, 
194, 195, 197r  199,  387-388;  Ann  16  iv,  pp  7  et  seq,  195, 198; 
Ann  17,  in,  pp  287  et  seq,  524-526,  542;  Ann  18,  v,  pp  353 
et  seq,  615-617;  Ann  19,  vi,  pp  278  et  seq,  524-526;  Ann  20, 
vi,  pp  299  et  seq,  492-494;  Ann  21,  vi,  pp  324  et  seq,  504-505 
