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Showing below up to 20 results in range #521 to #540.
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- Trowbridge Coal Member (2 revisions)
- Kimmswick Subgroup (2 revisions)
- Ullin Limestone (2 revisions)
- Ashmore Tongue (2 revisions)
- Grand Tower Limestone (2 revisions)
- Downeys Bluff Limestone (2 revisions)
- Peddicord Tongue (2 revisions)
- Borden Siltstone (2 revisions)
- Lake Michigan Formation (2 revisions)
- Moccasin Springs Formation (2 revisions)
- Glen Park Formation (2 revisions)
- Winnetka Member (2 revisions)
- Oak Grove Limestone Member (3 revisions)
- Oligocene Series (3 revisions)
- Summum Coal Member (3 revisions)
- O'Nan Coal Member (3 revisions)
- Stendal Limestone Member (3 revisions)
- Briar Hill Coal Member (3 revisions)
- Energy Shale Member (3 revisions)
- Turner Mine Shale Member (3 revisions)