ORISKANY    AXD    CLINTON"    IRON    ORES    OF    VIRGINIA.  189 
BIBLIOGRAPHY. 
Of  the  reports  listed  below,  those  by  McCreath  and  Moore  contain  detailed  discussions 
of  the  iron  ores,  while  the  folios  by  Campbell  present  larg< — ale  maps  'it'  the  distribution 
of  the  "Clinton"  formation  in  various  areas.  The  remaining  papers  and  reports  are  of 
far  less  satisfactory  character,  from  either  an  industrial  or  a  geologic  point  of  view. 
Boyd,  G.  R.  The  mineral  wealth  of  southwestern  Virginia.  Trans.  Am.  Inst.  Min.  Eng.,  vol.  5,  pp. 
81-92.     1877.     Idem,  vol.  8,  pp.  338-348.     1880. 
Resources  of  southwest  Virginia.    8°.    321  pp.     New  York,  1881. 
The  economic  geology  of  the  Bristol  and  Big  Sto      G  ction  of  Tennessee  and  Virginia. 
Trans.  Amer.  Inst.  Min.  Eng.,  vol.  15.  pp.  114-141.     1887. 
Mtddlesboro,  Ky.     Eng.  and  Min.  Jour.,  vol.  49,  pp.  171-173.    1890. 
Campbell,  M.  R.    Estillville  folio,  Virginia-Kentucky-Ti  Geologic  Atlas  U.  S.,  folio  12. 
1894. 
-  Pocahontas  folio,  Virginia-West  Virginia.     Geologic  Atlas  U.  S.,  folio  2l 
-  Tazewell  folio,  Virginia-West  Virginia.     Geologic  Atlas  O.  S.,  folio  14.     1898. 
.  Bristol  folio,  Virginia-Tennessee.    Geologic  Atlas' U.  S.,  folio  59.     i- 
Courtis,  W.  M.  Report  on  the  properties  of  the  American  Association  (Limited) .  12°.  8  pp.  Mid- 
jllesb  trough,  1891. 
Davis,  O.  W.  Prospectus  of  the  Cumberland  Gap  fron  Company.  12°.  12  pp.  Middlesborough, 
1891. 
McCreath,,  A.  S.,  and  D'Ixvilliers,  E.  V.  Mineral  resources  of  the  upper  Cumberland  Valley  of 
southeastern  Kentucky  and  southwestern  Virginia.    8°.    152  pp.    Louisville,  1902. 
Moore,  P.  X.  Report  on  the  iron  ores  in  the  vicinity  of  Cumberland  Gap.  Rept.  Kentucky  Geol. 
Survey,  new  ser.,  vol.  4,  pp.  241-254.     1878. 
Proctor,  J.  R.  On  the  resources  of  the  Middlesborough  district.  In  the  Iron  and  Steel  Institute 
in  America  in  1890,  pp.  485-492.     London,  1891. 
Richards,  S.  A.  Report  onthc  properties  of  the  American  Association  ''Limited;.  12°.  6pp.  Mid- 
dlesborough, 1891. 
Shaler.  X.  S.     Preliminary  report  concerning  the  resources  of  the  country  adjai  line  of 
the  proposed  Richmond  and  Southwestern  Railway.    4°.    54  pp.    Cambridge,  1880. 
Schmitz,  E.  J.  A  section  of  Rich  Patch  Mountain  at  Iron  Gate,  Va.  Trans.  Am.  Inst.  Min.  Lng., 
vol.  25,  pp.  4f 7-481.     1896. 
