Browsing Reports of Progress - Indiana Geol. Survey by Subject "Glacial Geology"

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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 ...
  • Wayne, William J. (Indiana Geological Survey, 1956)
    In recent years ground-water studies have shown that many large aquifers in glacial deposits in Indiana are localized along buried valleys. In these valleys, most of which served as sluiceways at various times during the ...

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