Modern phytolith assemblages from the North American Great Plains von Fredlund, G.G, Tieszen, L.T

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Mid-Wisconsinan environments on the eastern Great Plains von Baker, R.G., Bettis, E.A., Mandel, R.D., Dorale, J.A., Fredlund, G.G.

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Phytolith and Carbon Isotope Evidence for Late Quaternary Vegetation and Climate Change in the Southern Black Hills, South Dakota von Fredlund, Glen G., Tieszen, Larry L.

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Late Quaternary Pollen Record from Cheyenne Bottoms, Kansas von Fredlund, Glen G.

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