544 
INDEX    TO    NORTH    AMERICAN    GEOLOGY 
Geologic  formations  described— Continued. 
Yellow   loam,    Pleistocene,    Mississippi, 
Logan,  2. 
Yellville  formation,  Ordovician,  Arkan- 
sas, Adams  and  Ulrieh,  1. 
Yellville  formation,  Ordovician,  Arkan- 
sas, Adams  (G.  I.),  15- 
Yellville  limestone,   Ordovician,  Arkan- 
sas, Ulrieh,  5. 
Yonkers  gneiss.  New  York,  Eckel,  6. 
Yonkers      gneiss,      post-Hudson,      New 
York,  Merrill  and  others,  1. 
Yukon    silts,   Quaternary,    Alaska,    Col- 
lier, 2. 
Geologic  maps,  a 
Alabama,  Eckel  and  Crider,  1. 
Alabama,  Smith   (E.  A.),  2,  8,  9. 
Alabama,  Smith  and  McCalley,  1. 
Alaska,  Brooks,  4. 
Alaska,  Brooks  and  others,  1. 
Alaska.  Collier,  1,  2,  8. 
Alaska,  Mendenhall.  1,  2,  8. 
Alaska,  Mendenhall  and  Schrader,  1. 
Alaska,  Moffit.  ::. 
Alaska,  Prindle,  2. 
Alaska,  Schrader,  3. 
Alaska.  Schrader  and  Spencer,  1. 
Alaska,   Stanton  and   Martin,  1. 
Alaska,  Wright   (C.  W.),  2. 
Arizona,  Jaggar  and  I'alache,  1. 
Arizona.  Lee   I  A.  T.),  9. 
Arizona,  Lindgren,  28,  29. 
Arizona,  Ransoine,  6,  13,  14. 
Arkansas,  Adams  (G.  I.),  15. 
Arkansas,  Adams  and  Ulrieh,  1. 
Arkansas,  Branner,  2. 
Arkansas,  Hayes   (C.  W. ),  2. 
Arkansas,  Taff,  5,  17. 
Arkansas.  Van  Ingen,  1. 
California.  Campbell   (M.  R.),  4. 
California,  Diller,  18. 
California,  Fairbanks,  7. 
California.  Hershey,  14. 
California,  Lawson  and  Palache,  1. 
California.  Nutter,  1. 
California,  Spurr,  14. 
Canada,  Adams  and  LeRoy,  1. 
Canada.  Ami,  8. 
Canada,  Barlow,  7. 
Canada,  Bel,  2. 
Canada,  Bell  (Robert),  1,  3,  5. 
Canada,  Boright,  1. 
Canada,  Brewer  (W.  M.),  G. 
Canada,  Buchan,  2. 
Canada,  Burwash,  1. 
Canada,  Cirkel,  4. 
Canada,  Coleman,  2. 
Canada,  Coleman  and  Willmott,  1. 
Canada,  Corkill,  1. 
Canada,  Daly,  1. 
Canada,  Dawson,  4,  5. 
Canada,  Dowling,  1,  6,  11. 
Canada,  Dresser,  9. 
Canada,  Ells  (R.  W.),  2,  7,  12,  20,  23. 
Canada,  Fletcher,  3,  0. 
Canada,  Gwillim,  1. 
Canada,  Ingall  and  Denis,  1. 
a  Includes  geologic  maps  of  the  whole 
Geologic  maps— Continued. 
Canada,  Leach  ( W.  W. ) ,  2. 
Canada,  Low.  2. 
Canada,  McConnell,  3,  5,  7. 
Canada,  Miller  (W.  G.),  4. 
Canada,  Poole,  10. 
Canada,  Tyrrell,  1,  3. 
Canada,  Willmott,  1. 
Canada,  Wilson   (A.  W.  G.),  9. 
Colorado,  Cross   (W.).  7. 
Colorado,  Cross  and  Howe,  1,  3. 
Colorado,  Cross  and  Spencer,  1. 
Colorado,  Darton,  18. 
Colorado,  Fenneman,  5,  10. 
Colorado,  Hills,  1. 
Colorado,  Lee  (W.  T.),  2. 
Colorado,  Purington,  1,  3. 
Colorado,  Kansome,  1. 
Connecticut,  Hobbs,  2.  5. 
Connecticut,  Loughlin,  1. 
Connecticut,  Rice,  1. 
District  of  Columbia,  Darton  and  Keith, 
1. 
Georgia,  Eckel,  ::4. 
Georgia,  Hayes  (('.  W.  i,  1. 
Georgia,  McCallie,  9. 
Georgia,  Watson   (T.  L.),  2,  8,  12. 
Greenland.  Boggild,  3. 
Greenland,  Nathorst,  1. 
Greenland,  Nordenskjold,  1. 
Guatemala,  Sapper,  3. 
Haiti,  Tippenhauer,  2. 
Idaho,  Bell    (  R.  N.),  4. 
Idaho,  Lindgren,  21. 
Idaho,  Lindgren  and  Drake,  1,  2. 
Idaho,  Russell,  1. 
Illinois,  Bain,  14,  19. 
Illinois,  Eckel,  34. 
Illinois,  Fuller  and  Clapp,  2. 
Illinois,  Leverett,  1. 
Illinois,  Rolfe,  1. 
Indiana,  Ashley,  2. 
Indiana,  Blatchley,  6. 
Indiana,  Eckel,  34. 
Indiana.  Foerste,  10. 
Indiana.  Fuller  and  Clapp,  2. 
Indiana,  Hopkins   (T.  <'.),  10. 
Indiana,  Leverett,  4. 
Indiana,  Newsom,  3. 
Indiana,  Siebenthal.  2. 
Indiana,  Ulrieh,  8. 
Indian  Territory,  Adams  (G.  I.),  2. 
Indian    Territory,    Adams,    Girty,    and 
White.  1. 
Indian  Territory,  Taff,  2-4,  6,  7-11,  13. 
17. 
Iowa,  Iain,  14,  15. 
Iowa,  Beyer  and  Young,  1. 
Iowa,  Calvin,  1,  10-12,  14. 
Iowa,  Leonard,  3. 
Iowa,  Macbride,   1-4. 
Iowa.  Miller  (B.  L.),  1. 
Iowa,  Norton,  1. 
Iowa,  Savage,  2,  3,  7,  8. 
Iowa,  Udden   (Jon  A.),  1. 
Iowa.  Fdden,  2,  3,  5,  8. 
Iowa,  Wilder,  :;    <",. 
or  any  part  of  the  States  mentioned. 
