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Report on the geological survey of the state of Wisconsin. Volume 1 / James Hall, on general geology and palæontology, and J.D. Whitney, on the upper Mississippi lead region

Preface signed: James Hall, Albany, December, 1861. "Catalogue of palæozoic fossils, from the rocks of the state of Wisconsin"--Page [428]-442. SCNHRB copy (39088002695682) stamped on title page: ...
PBS

Wisconsin's oldest state park reveals Ice Age geology secrets

Angela Fitzgerald explores Interstate Park's Ice Age geology and 125-year history. Shaped by Ice Age glaciers, Interstate Park is Wisconsin's oldest state park. Angela speaks with property supervisor ...