lies.]  INTRODUCTION.  15 
List  of  geologic  folios,  showing  mineral  resources  described — Continued. 
). 
Name  of  folio. 
State. 
Area 
in 
sq.  m. 
Author. 
Mine  ralproducts  described 
as  occurring  in  area  of 
folio. 
Franklin 
Va.-W.  Va... 
Tenn ... 
932 
963 
932 
986 
938 
919 
23 
925 
963 
944 
1,0:35 
919 
950 
864 
944 
950 
62 
871 
885 
938 
1,706 
963 
812 
3,234 
3,295 
236 
950 
957 
237 
93S 
125 
428 
1,040 
Darton,  N.H 
Iron,      coal,      manganese, 
lime,  stone,  road  metal, 
clay. 
Keith,  A 
Buckhannon 
Gadsden 
W.  Va 
Ala.. 
Colo 
Cal 
Mont 
Taff.  J.  A.;  Brooks, 
A.H. 
Haye3,C.W 
lime,  stone,  clay. 
Coal,  lime,  stone,  clay. 
Gilbert,  G.K 
Stone,  gypsum,  clay,  iron, 
underground  water. 
Gold,  iron,  chromite,  lime, 
marble. 
Copper,  silver,  gold. 
Downieville 
Butte  special 
Turner,  H.  W 
Emmons,   S.   F. ; 
Tower,  G.W. 
Cal 
Wartburg 
Tenn . 
Keith,  A  .. 
mineral  springs. 
Cal 
Turner,  H.  W.;  Ran- 
some, F.  L. 
Hill,  R.T.;  Vaughan, 
T.W. 
Turner,H.W 
Campbell,  M.  R 
Lindgren,  W 
Campbell,  M.  R 
do 
Emmons,  S.  F 
Diller,  J.  S 
Gold,  quicksilver,  copper, 
chromite,  lime,  stone. 
Stone,  gravel,  underground 
water. 
Gold,      manganese      iron, 
chromite.  stone. 
Tex 
BidwellBar 
Cal 
Va.-W.  Va... 
Idaho 
Ky 
Richmond 
London  
ceous  earth,  stone,  clay, 
springs,   underground 
water. 
Coal,   fluorite,   phosphate, 
...do 
clay,  stone,  road  metal. 
Coal,  stone. 
Tenmile     district 
special. 
Roseburg 
Colo 
Oreg 
Mass. -Conn.. 
Cal... 
Silver. 
Gold,  copper,  quicksilver, 
coal,  clay,  stone. 
Granite,  emery,  chromite, 
quartz,  trap,  sandstone, 
clay. 
Gold,  silver. 
Holyoke 
Emerson,  B.  K. 
Turner,  H.  W.;  Ran- 
some, F.  L. 
Hague,  A 
Campbell,  M.  R. 
Willis     B.;    Smith, 
G.  O. 
Weed,  W.  H 
Big  Trees 
Absaroka 
Wyo 
Tenn 
Wash 
Mont 
Silver. 
Standingstone 
Coal,  oil,  lime,  clay. 
Coal,  stone,  clay. 
Gold,  sz7ver,lead,  iron,  gyp- 
Fort Benton 
Little  Belt  Moun 
tains. 
Telluride 
Elmoro    
do 
Colo 
do 
..  do... 
sum,  coal,  stone,  under- 
ground water. 
Coal,  silver,   lead,  copper. 
Purington,  C.  W 
Hills,  R.  C 
iron,  sapphires,  mineral 
water. 
Gold,  silver. 
Coal,  stone,    underground 
Bristol 
Va.-Tenn  ____ 
Colo.. 
Va.-W.  Va... 
Mich 
Cal 
Tex 
Campbell,  M.  R 
Purington,  C.  W 
Darton,  N.  H 
VanHise,C.R.:  Bay- 
ley,  W.  S. 
Ransome,  F.  L 
Vaughan,  T.  W 
water. 
La  Plata 
Coal,    iron,    zinc,    barite, 
marble,  clay. 
Monterey . . 
Gold,  .silver,  coal. 
Menominee    spe- 
cial. 
Mother  Lode  dis- 
trict. 
Uvalde 
Iron,     stone,    clay,     road 
metal. 
iron . 
Gold,    Silver,    manganese, 
quicksilver,  stone. 
Asphalt,  gold,  silver,  iron, 
coal,  water 
