Browsing Indiana Geological Survey by Subject "Wisconsinan"

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  • Wayne, William J. (Indiana Geological Survey, 1965)
    The main advance of glacial ice into central Indiana during Wisconsin time had two distinct pulsations within a span of about 1,000 years. The first, about 21,000 years ago, reached farthest south and built the segmented ...
  • Harrison, Wyman (Indiana Geological Survey, 1959-09)
    Two to four till sheets were deposited in Marion County, Indiana by the East White sublobe of the Ontario-Erie major lobe of the Wisconsin ice sheet. Fraction analyses (mineralogy and lithology versus size) were made for ...

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