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INDEX
B
- Bidwell Coal Member
- Big Clifty Sandstone Member
- Big Creek Shale Member
- Bilyeu Member
- Birds Member
- Blackriveran Stage
- Blanding Formation
- Blocher Shale
- Blodgett Member
- Blomeyer Member
- Bogota Limestone Member
- Boles Member
- Bond Formation
- Bonpas Limestone Member
- Borden Siltstone
- Brainard Shale
- Brandon Bridge Member
B cont.
- Breezy Hill Limestone Member
- Brereton Limestone Member
- Briar Hill Coal Member
- Brickeys Member
- Briton Member
- Brush Coal Member
- Buckhorn Member
- Buelter Member
- Bunje Limestone Member
- Burlington Limestone
- Burroughs Limestone Member
C
C cont.
- Cape Limestone
- Capron Till Member
- Carbondale Formation
- Cardiff coal bed
- Carlinville Limestone Member
- Caseyville Formation
- Castlewood Member
- Cave Hill Shale Member
- Cayugan Series
- Cedar Bluff Limestone Group
- Cedar Valley Limestone
- Cenozoic Erathem
- Chalfin Member
- Champlainian Series
- Chana Member
- Chapel Coal Member