14  CONTKIBUTIONS    TO    ECONOMIC    GEOLOGY,   1903.  [bull. 225. 
TAst  of  geologic  folios,  showing  mineral  resources  described — Continued. 
No. 
Name  of  folio. 
State. 
Area 
in 
sq.m. 
Author. 
Mineral  products  described 
as  occurring  in  area  of 
folio. 
12 
Va,-Ky.- 
Tenn. 
957 
Campbell,  M.R 
Coal,    iron,     marble,    lime, 
stone. 
13 
Fredericksburg 
Md.-Va 
938 
I)arton,N.  H 
ler's  earth,  clays,  sand, 
gravel,  underground  water. 
14 
Staunton 
Va.-W.  Va.... 
938 
...do 
Iron,  marble,  lime,  clay, 
coal. 
15 
Lassen  Peak 
Cal 
3,  (134 
Diller,  J.  S 
stone,  coal. 
16 
Tenn.-N.  <:... 
969 
Keith,  A 
■Marble,  slate,  stone,  gold, 
lime,  cement,  clay,  water 
power. 
17 
Marysville 
Cal 
925 
Lindgren,    W.;     'J' in- 
ner, H.W. 
Gold,  coal,  gas,  clay,  lime, 
stone,  water  supply. 
18 
do 
925 
do 
Gold,  copper,  quicksilver, 
iron,  lime,  clay,  stone. 
IP 
G  a  .  -  A  1  a  .  - 
Tenn. 
980 
Hayes,  C.W 
metal,  clay. 
00 
Tenn 
975 
969 
969 
do 
Iron,  lead,  lime,  stone,  clay. 
Coal,  iron,  stone,  clay. 
Coal,  iron,  stone,  clay. 
*>1 
do  .   . 
do 
22 
McMinnville . 
do 
do 
?fl 
Md.-Va 
938 
3, 354 
Darton,  N.  H 
?4 
Three  Forks 
Peaie,  A.  C 
earth,  clay,  stone,   sand, 
gravel,  underground  water. 
Gold,    silver,   copper,   iron, 
coal,  lime,  clay,  pumice, 
mineral  springs'. 
95 
Tenn  . . 
969 
Keith,  A 
Coal,  marble,  lime,  stone, 
clay,    iron,    slate,    water 
power. 
96 
Va.-W.  Va .... 
950 
Campbell,  M.R 
Coal,  lime,  stone,  clay,  mar- 
ble. 
97 
Morristown 
Tenn 
963 
Keith,  A 
lime,  cement,  clay,  water 
power. 
98 
Piedmont 
Md.-W.  Va  . . . 
925 
Darton,  N.  H.;   Taff, 
J.  A. 
Coal,  iron,  lime,  stone,  road 
metal,  clay. 
99 
Nevada    City    spe- 
cial. 
Cal 
35 
Lindgren ,  W 
Gold. 
30 
Yellowstone       Na- 
tional Park. 
Wyo 
3,412 
Hague,     A.;     Weed, 
W.      H.;      Iddings, 
J.  P. 
National  Park;  no  mining 
permitted. 
31 
Pyramid  Peak 
Franklin 
Cal      
932 
Gold. 
39 
Va.-W.  Va.... 
932 
Darton,  N.  H... 
Iron,  coal,  manganese, 
lime,  stone,   road   metal, 
clay. 
33 
Tenn  . . 
963 
Keith,  A.. 
Coal,  iron,  lead,  marble, 
lime,  stone,  clay. 
34 
Buckhannon  
W.Va 
932 
Taff,  J.   A.:    Brooks, 
A.H. 
Coal,  lime,  stone,  clay. 
35 
Gadsden 
Ala 
986 
938 
Hayes,  C.W 
Gilbert,  G.  K 
36 
Pueblo 
Colo 
Stone,  gypsum,  clay,  iron, 
artesian  water. 
37 
Downieville 
Cal 
919 
Turner,  H.W 
Gold,  iron,  chromite,  lime, 
marble. 
38 
Butte  special 
23 
Emmon  s,    S.    F. ; 
Tower,  G.  W. 
Copper,  silver,  gold. 
39 
Truckee  
Cal 
925 
mineral  springs. 
40 
Wartburg 
Tenn  .... 
9C3 
944 
Keith  A 
Coal,  oil,  iron,  lime,  clay. 
Gold,  quicksilver,  copper, 
chromite,  lime,  stone. 
41 
Sonora 
Cul 
Turner,  H.  W.;   Ran- 
some,  F.  L. 
42 
Nueces 
Tex 
1,035 
Hill,R.T.;  Vaughan, 
T.  W. 
Stone,  gravel,  underground 
water. 
43 
Bidwell  Bar 
Cal 
919 
Turner,  H.W 
Gold,      manganese       iron, 
Chromite,  stone. 
