Nebraskan and Kansan Stades: Complexit and Importance

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Science  11 Nov 1966:
Vol. 154, Issue 3750, pp. 771-772
DOI: 10.1126/science.154.3750.771


Several Early Pleistocene stadial tills and related soils in Kansas and Nebraska indicate a complex history of ice-sheet fluctuations. It is impossible to assign ages to individual till sheets solely on the basis of position in a stratigraphic column; all Early Pleistocene correlations must be reevaluated.