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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 Westphalian B | Kentucky | Eble,C.F. et al. Compositional variations in the Fire Clay Coal Bed of Eastern Kentucky: Geochemistry, petrography, palynology and paleoecology. | 1999 | |
| details | Westphalian A | Canada(Nova Scotia) | Hower,J.C. et al. Metalliferous coals of the Westphalian A Joggins Formation, Cumberland Basin, Nova Scotia, Canada: petrology, geochemistry, and palynology. | 2000 |