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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 | Namurian A | Scotland(Fife) | Butterworth,M.A. et al. The small spore floras of coals in the Limestone Coal Group and Upper Limestone Group of the Lower Carboniferous of Scotland | 1958 | |
| details | Chesterian | Kentucky | Butterworth,M.A. et al. The small spore floras of coals in the Limestone Coal Group and Upper Limestone Group of the Lower Carboniferous of Scotland | 1958 | |
| details | Visean | Westphalian D | Turkey | Agrali,B. et al. Study of the microspores of the Carboniferous Basin of Amasra (1-2). | 1969 |