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Northern Missouri preserves shallow buried paleosols ranging in age from Early to Late Pleistocene that are developed in six pre-Illinoian tills beneath Illinoian (MIS 6) and Wisconsinan (MIS 4-2) loess. The morphology of these paleosols changes with age, reflecting a changing climate during the Pleistocene, and cosmogenic-nuclide burial dates of the respective sola provide age control on the timing...
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