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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 | Early Stephanian | Texas | Gennett,J.A. et al. Palynology of the Upper Pennsylvanian Dalton Coal, Palo Pinto County, Texas, USA. | 1993 | |
| details | Conemaugh | Monongahela | Kentucky | Peppers,R.A. Spores in strata of Late Pennsylvanian cyclothems in the Illinois Basin. | 1964 |
| details | Atokan | Early Desmoinesian | Illinois | Peppers,R.A. Correlation of the "Boskydell Sandstone" and other sandstone containing marine fossils in Southern Illinois using palynology of adjacent coal beds. | 1993 |