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From
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To
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Geolocation
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Author - title
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Year
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| details | Late Pottsville | Kentucky | Cross,A.T. Spore floras of the Pennsylvanian of West Virginia and Kentucky | 1947 | |
| details | Conemaugh | Monongahela | Kentucky | Cross,A.T. Spore floras of the Pennsylvanian of West Virginia and Kentucky | 1947 |
| details | Allegheny | Monongahela | Kentucky | Cross,A.T. Spore floras of the Pennsylvanian of West Virginia and Kentucky | 1947 |