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INDEX
G
- 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
G cont.
- 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
H cont.
- 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