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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 | Dienerian | Spathian | Canada(Arctic) | Fisher,M.J. The Triassic palynofloral Sucession in the Canadian Arctic Archipelago. | 1979 |
| details | Permian | Triassic | Alaska | Witmer,R.J. et al. Biostratigraphic correlation of selected test wells of National Petroleum Reserve in Alaska | 1981 |