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Showing below up to 20 results in range #1 to #20.

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1. (hist) ‎Caseyville Formation ‎[55,615 bytes]
2. (hist) ‎Galatia Channel:Channels and Cyclothems: A Summary Model ‎[49,804 bytes]
3. (hist) ‎Galatia Channel:References ‎[42,589 bytes]
4. (hist) ‎Galatia Channel:Dykersburg (Shale) Member ‎[30,432 bytes]
5. (hist) ‎Pennsylvanian Subsystem ‎[24,792 bytes]
6. (hist) ‎Survant Coal Member ‎[24,057 bytes]
7. (hist) ‎Galatia Channel:Introduction ‎[24,005 bytes]
8. (hist) ‎Seelyville Coal Member ‎[21,659 bytes]
9. (hist) ‎Carbondale Formation ‎[21,143 bytes]
10. (hist) ‎Herrin Coal Member ‎[18,693 bytes]
11. (hist) ‎Dykersburg Shale Member ‎[17,837 bytes]
12. (hist) ‎Tiskilwa Formation ‎[17,733 bytes]
13. (hist) ‎Colchester Coal Member ‎[17,474 bytes]
14. (hist) ‎Lemont Formation ‎[17,243 bytes]
15. (hist) ‎Purington Shale Member ‎[17,165 bytes]
16. (hist) ‎Francis Creek Shale Member ‎[16,477 bytes]
17. (hist) ‎Galatia Channel:Springfield Coal ‎[16,472 bytes]
18. (hist) ‎Energy Shale Member ‎[16,006 bytes]
19. (hist) ‎Springfield Coal Member ‎[16,000 bytes]
20. (hist) ‎Oak Grove Limestone Member ‎[15,687 bytes]

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