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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 | Arundian | Early Holkerian | England(Yorkshire) | Welsh,A. Appendix B: Miospore determinations from the Penny Farm Gill. (In: Lower Carboniferous sections in the Sedbergh District, Cumbria. I.C.Burgess) | 1986 |