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INDEX
A
- Ancell Group
- Anna Shale Member
- Antioch Limestone Member
- Anvil Rock Sandstone Member
- Argyle Till Member
- Arsenal Member
- Ashmore Tongue
- Assumption Coal Member
- Athensville Coal Member
- Atokan Series
- Augusta Member
- Aux Vases Sandstone
B
B cont.
- Batavia Member
- Batestown Member
- Battery Rock Sandstone Member
- Baylis Formation
- Beaver Bend Limestone Member
- Beech Creek Limestone
- Beecher Member
- Belgium Member
- Bernadotte Sandstone Member
- Berry Clay Member
- Bethel Sandstone
- Beverly Tongue
- Bevier Coal Member or Bed
- Bidwell Coal Member
- Big Clifty Sandstone Member
- Big Creek Shale Member
- Bilyeu Member
B cont.
- 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
- Breezy Hill Limestone Member
- Brereton Limestone Member
- Briar Hill Coal Member