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Browse Illinois State Geological Survey (ISGS) by Subject

Browse Illinois State Geological Survey (ISGS) by Subject "Mollusks, Fossil."

Now showing items 1-3 of 3

Chronology and molluscan paleontology of two post-Woodfordian bogs in northeastern Illinois

Leonard, Arthur Byron (Urbana : Illinois State Geological Survey,, 1974)

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Illinoian and Kansan molluscan faunas of Illinois

Leonard, Arthur Byron; Frye, John Chapman; Johnson, W. Hilton (Urbana, Ill. : Illinois State Geological Survey,, 1971)

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The late Woodfordian Jules soil and associated Molluscan faunas,

Frye, John Chapman (Urbana,, 1974)

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Now showing items 1-3 of 3