FOR   THE    YEARS   1901-1905,  INCLUSIVE. 
511 
Geologic  formations  described — Continued. 
Fort  Benton  stage,  Cretaceous,  Wyo- 
ming, Trumbull,  1. 
Fort  Logan  Beds,  Tertiary,  .Montana 
Douglass.  8. 
Fort  Payne  chert.  Carboniferous,  Ala- 
bama and  Georgia,  Hayes,  5. 
Fort  Payne  chert,  Carboniferous,  Ten 
nessee,  Stevenson   (J.  J.),  4. 
Fort  Payne  chert,  Carboniferous,  Geor- 
gia, McCallie,  0. 
Fort  Pierre  group.  Cretaceous,  New- 
Mexico,  Johnson    (I).  W.),  4. 
Fort  Pierre  stage.  Cretaceous.  Wyo- 
ming, Trumbull,  1. 
Fort  Riley  limestone.  Carboniferous, 
Kansas,  Prosser,  7. 
Fort  Riley  limestone,  Carboniferous, 
Kansas,  Adams.  Girty,  and  White,  1. 
Fort  Riley  limestone,  Carboniferous, 
Kansas.   Prosser  and  Beede,  1. 
Fort  Riley  limestone,  Carboniferous, 
Kansas,  Beede  and  Sellards,  1. 
Fort  Scott  limestone,  Carboniferous. 
Indian  Territory,  Adams,  Girty,  and 
White,  1. 
Fort  Scott  limestone.  Carboniferous, 
Kansas,  Adams,  Ilaworth,  and 
Crane,  1. 
Fort  Scott  limestone.  Carboniferous, 
Kansas,  Beede  and  Rogers,  1. 
Fort  Union  beds.  Cretaceous.  New 
Mexico,  Reagan,  1. 
Fort  Union  beds,  North  Dakota,  Wild- 
er,  7. 
Fort  Worth  formation.  Cretaceous. 
Texas.  Hill    (R.  T.),  3. 
Fortymile  series,  Alaska,  Collier.  2. 
Fortymile  formation,  pre-Devonian, 
Alaska,  Prindle,  2. 
Fountain  formation.  Carboniferous 
(Pennsylvania^,  Colorado,  Darton, 
16. 
Fountain  sandstone,  Triassic(?),  Colo- 
rado, Fenneman.  10. 
Fowler  limestone,  Ordovician,  Ken- 
tucky, included  in  Richmond  group, 
Foerste,  1. 
Fox  Hills  formation.  Cretaceous,  Black 
Hills,  Darton,  1. 
Fox  Hills  T  formation  1,  Cretaceous. 
New  Mexico,  Reagan,  1. 
Fox  Hills  formation.  Cretaceous,  Black 
Hills  region  and  Wyoming,  Darton. 
16. 
Fox  Hiils  formation.  Cretaceous,  Wyo- 
ming, Darton,  14. 
Fox  Hills  stage,  Cretaceous,  Wyo- 
ming,  Trumbull,   1. 
Fox  Hills,  Cretaceous,  North  Dakota. 
Leonard,  4. 
Fox  Hills  formation,  Cretaceous,  Black 
Hills  region,  Wyoming  and  Colo- 
rado, Darton,  18. 
Fox  Hills  formation,  Cretaceous,  Colo- 
rado, Fenneman,  10. 
Geologic  formations  described— Continued. 
Franciscan  series,  California,  Lawson 
and  Palache,  l . 
Franciscan,  California,  Lawson  (A. 
C),  9. 
Franciscan  scries,  California,  Osmont, 
1. 
Franconia  sandstone.  Upper  Cambrian. 
Wisconsin  and  Minnesota,  Berkey,  1. 
Franks  conglomerate,  Carboniferous, 
Indian  Territory,  Taff.  6,  13. 
Fredericksburg  division,  Cretaceous, 
Texas.  Hill    (  R.  T. ) ,  3. 
Fredericksburg  limestone,  Cretaceous, 
Texas,  Dumble,  12. 
Fredericksburg  group.  Cretaceous. 
Texas,  Richardson  (G,  B.),  4. 
Fredericktown  limestone,  Cambrian, 
Missouri,  Adams   (G.  I.),  3. 
Fredericktown  dolomite,  Cambrian, 
Missouri.  Keyes,  6. 
Fredonia  limestone,  Mississippian, 
Kentucky.  Ulrich,  8. 
Fredonia  mem  >er,  Carboniferous  (Mis- 
sissippian), Illinois.  Bain,  10. 
Freedom  formation,  pre-Cambrianj 
Wisconsin.  Weidman,  5. 
Fremont  limestone,  Ordovician,  Colo- 
rado. Darton,  16,  IS. 
Freeport  limestone,  Carboniferous, 
Pennsylvania,  Butts,  4,  6,  7. 
Freeport  sandstone,  Carboniferous, 
Pennsylvania,  Butts.  4. 
Freeport  (Lower)  limestone.  Carbonif- 
erous, Pennsylvania,  Clapp,  4. 
Freeport  (Upper)  limestone.  Carbonif- 
erous, Pennsylvania,  Clapp.  4. 
Freeport  sandstone,  Carboniferous, 
Maryland,  Clark  and  Martin,  6. 
Freeport  sandstone,  Carboniferous, 
Pennsylvania,  Butts,  6. 
Freepovt  sandstone,  Carboniferous, 
Pennsylvania,  Woolsey,  3. 
Freeport  (Lower),  sandstone,  Carbonif- 
erous, West  Virginia,  White  (I.  C.),7. 
Freeport  (Upper),  limestone.  Carbonif- 
erous, West  Virginia,  White  (I.  C.),7. 
Friars'  Hill  series,  West  Indies,  Spen- 
cer (J.  W.),  1. 
Frio  clays,  Oligocene,  Tertiary.  Louisi- 
ana. Yeatch.  2. 
Frio  clays,  Tertiary,  Texas  and  Louisi- 
ana, Fishback,  1. 
Frio  clays,  Eocene,  Texas.  Dumble,  13. 
Frio  clays.  Eocene,  Tertiary,  Texas, 
Hayes  and  Kennedy,  1. 
Frio  clays,  Tertiary,  Texas,  Maury,  1. 
Frog  Mountain  limestone,  Devonian, 
Alabama,  Hayes,  5. 
Fulton  layer,  Ordovician,  Ohio  and 
Kentucky,  Foerste,  12. 
Fuson  formation.  Cretaceous,  Black 
Hills,  Darton,  1,  8,  14,  16,  18. 
