BIBLIOGRAPHY.  433 
The  Rocky  Mountain  coal  fields,  1»\    L.  S.  Stores.     Twenty-second  Arm.    Rept., 
pt.  3,  1902,  pp.  415-471. 
Coal  in  Sanpete  County,  Utah,  by  G.  B.  Richardson.     Bull.  No.  285,  1906,  pp. 
280-284. 
Notes  on  the  Weber  River  coal  field,  Utah,  by  J.  A.  Taff.     Bull.  No.  285,  1906,  pp. 
285-288. 
Book  Cliffs  coal  field,  Utah,  west  of  Green  River,  by  J.  A.  Taff.     Bull.  No.  285,  1906, 
pp.  289-302. 
The  Book  Cliffs  coal  field  between  Grand  River,  Colo.,  and  Sunnyside,  Utah,  by 
G.  B.  Richardson.    Bull.  No.  316,  1907,  pp.  302-320. 
The  Pleasant  Valley  coal  district,  Carbon  and  Emery  counties,  Utah,  by  J.  A. 
Taff.     Bull.  No.  316,  1907,  pp.  338-358. 
The  Iron  County  coal  field,  Utah,  by  W.  T.  Lee.     Bull.  No.  316,  1907,  pp.  359-375. 
Coal  fields  of  northwestern  Colorado  and  northeastern  Utah,  by  H.  S.  Gale.     Bull. 
No.  341,  1909,  pp.  283-315. 
The  Harmony,  Colob,  and  Kanab  coal  fields,  southern  I'hih.  by  (i.  B.  Richardson. 
Bull.  No.  341,  1909,  pp.  379-400. 
Reconnaissance  of  the  Book  Cliffs  coal  field,  by  G.  B.  Richardson.     Bull.  No.  371, 
1909.     53  pp. 
VIRGINIA. 
Report  of  work  done  in  the  division  of  chemistry  and  physics  mainly  during  the 
fiscal  year  1885-86,  by  F.  W.  Clarke.     Bull.  No.  42,  1887,  p.  146. 
Gives  an  analysis  of  "natural  coke"  from  Midlothian,  Va. 
Report  of  work  done  in  the  division  of  chemistry  and  physics  mainly  during  the 
fiscal  year  1886-87,  by  F.  W.  Clarke.     Bull.  No.  55,  1889,  p.  87. 
Gives  analyses  of  coal  and  coke  from  Scott  County,  Va. 
Correlation  papers — the   Newark  system,   by  I.    C.    Russell.     Bull.  No.  85,  1892, 
coal,  pp.  36-43. 
The  Clinch  Valley  coal  fields,  by  A.  S.  McCreath  and  E.  V.  D'luvilliers.     Mineral 
Resources  U.  S.  for  1892,  1893,  pp.  521-528. 
Geology  of  the  Big  Stone  Gap  coal  field  of  Virginia  and  Kentucky,  by  M.  R.  Camp- 
bell.    Bull.  No.  Ill,  1893,  106  pp. 
Estillville  folio,  Kentucky-Virginia-Tennessee;  description,  by  M.   R.  Campbell. 
Geologic  Atlas  U.  S.,  folio  12,  1894. 
Staunton  folio,  Virginia-West  Virginia;  description,  by  N.  H.  Darton.     Geologic 
Atlas  U.  S.,  folio  14,  1894. 
Pocahontas  folio,  Virginia-West  Virginia;  description,  by  M.   R.  Campbell.     Geo- 
logic Atlas  U.  S.,  folio  26,  1896. 
Tazewell  folio,  Virginia-West  Virginia;  description,  by  M.  R.  Campbell.     Geologic 
Atlas  U.  S.,  folio  44,  1897. 
Geology  of  the  Richmond  basin,  Virginia,  by  N.  S.  Shaler  and  J.  B.  Woodworth. 
Nineteenth  Ann.  Rept.,  pt.  2,  1899,  pp.  511-515., 
Bristol  folio,  Virginia-Tennessee;  description,  byM.  I!.  Campbell.     Geologic  A.tlaa 
U.  S.,  folio  59,  1899. 
The  Atlantic  coast  Triassic  conl  field,  by  J.  B.  Woodworth.     Twenty-second  Aim. 
Rept.,  pt.  3,  1902,  pp.  25-53. 
The  Russell  Fork  coal  field,  Virginia,  by  R.  W.  Stone.     Bull.  No.  316,  L907,  pp. 
55-67. 
Coal  mining  at  Dante,  Va..  by  R.  W.  Stone.     Bull.  No.  316,  L907,  pp.  68 
71497— Bull.  341—09 28 
