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INDEX
D
E
- Eagle Point Member
- Eastern Granite-Rhyolite Province (Basement)
- Eau Claire Formation
- Edenian Stage
- Edgewood Formation
- Effingham Limestone Member
- Eldena Member
- Elgin Shale Member
- Elm Member
- Elmhurst Sandstone Member
- Elviran Stage
- Elwood Formation
- Embayment Megagroup
- Eminence Formation
- Energy Shale Member
- Enion Formation
- Eocene Series
- Equality Formation
- Esmond Till Member
- Establishment Member
- Everett Member
- Everton Dolomite
- Excello Shale Member
- Exline Limestone Member
F
- Fairplay Member
- Farmdale Soil
- Farmington Shale Member
- Fern Glen Formation
- Finnie Sandstone Member
- Flannigan Coal Member
- Flat Creek Coal Member
- Ford Station Limestone Member
- Forreston Member
- Fort Atkinson Limstone
- Fort Payne Formation
- Fox Valley Member
- Fraileys Shale
- Francis Creek Shale Member
- Franconia Formation
- Franconian Stage
- Fredonia Limestone Member
- Friendsville Coal Member
- Fults Member
G
G cont.
- Gasperian Stage
- Geneva Dolomite Member
- Genevievian Stage
- Gentry Coal Bed
- Gila Limestone Member
- Gimlet Sandstone Member
- Girardeau Limestone
- Glasford Formation
- Glen Dean Limestone
- Glen Park Formation
- Glenburn Till Member
- Glencoe Member
- Glenhaven Member
- Glenwood Formation
- Golconda Group
- Gordonville Member
- Goreville Limestone Member
- Grand Detour Formation
- Grand Tower Limestone
- Granger Sandstone Member
- Grassy Creek Shale
- Grassy Knob Chert
- Grayslake Peat
- Greenbush Coal Member or Bed
- Greenup Limestone Member
- Grigg tongue
- Grindstaff Sandstone Member
- Grove Church Shale
- Grover Gravel
- Gulfian Series
- Gunn Member
- Gunter Sandstone
- Guttenberg Formation
H
- Hadley Gravel Member
- Haeger Member
- Hagarstown Member
- Hall Limestone Member
- Haney Limestone
- Hannibal Shale
- Hanover Limestone Member
- Hardinsburg Sandstone
- Harkness Silt Member
- Harmattan Till Member
- Harmony Hill Shale Member
- Harrodsburg Limestone Member
- Hazel Green Member
- Hazelwood Member
- Hegeler Till Member
- Hely Member
- Hennepin Member
H cont.
- Henry Formation
- Hermon Coal Member
- Herrin Coal Member
- Hillery Till Member
- Hoing Sandstone Member
- Holocene Series
- Hombergian Stage
- Houchin Creek Coal Member
- Howardton Limestone Member
- Hulick Till Member
- Hunton Limestone Megagroup
I
J
K
- Kankakee Formation
- Karnak Limestone Member
- Kaskaskia Sequence
- Kellerville Till Member
- Kenwood Member
- Kenyon Member
- Keokuk Limestone
- Kerton Creek coal bed
- Kewanee Group
- Kewaunee Formation
- Kidd Member
- Kimmswick Subgroup
- Kinderhookian Series
- Kingdom Sandstone Member
- Kings Lake Formation
- Kinkaid Limestone
- Kiser Creek Member
- Knobs Megagroup
- Knox Dolomite Megagroup
- Kress Member
L