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1Published 1978Subjects: “...Wisconsin Geological and Natural History Survey....”
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2Biennial report of the Wisconsin Geological and Natural History Survey, covering the period from ...Published 1932Subjects: “...Natural history Research Wisconsin Periodicals....”
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6Stratigraphy of Middle Ordovician rocks in the zinc-lead district of Wisconsin, Illinois, and Iowa /by Agnew, Allen F., 1918-2012Get full text
Published 1956
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8Published 1986Government Document Map
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9Published 1986Government Document Map
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11Published 1987Government Document Map
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