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Acknowledgments I would like to heartily concur with the acknowledgments of Gayle Fritz and Patty Jo Watson in their introduction and, in addition, thank them for their contribution, without which there would have been no report. I also wish to express my gratitude to the late Hugh Cutler, a valued friend, who opened up a whole new world of ideas and interests. Thanks are also due to many helpful friends, and to those who have provided plant remains for study. These include BobBray,JamesBrown,MargaretBrown,CarlChapman,JanetLevy,AlanMay, M. D. Thurman, and the Illinois State Museum. Leonard Blake ...

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