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Container
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Title
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Mississippi River
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Box 1
Folder 10
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Dams and dykes, 1894, 1921-1922
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Box 1
Folder 11
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Inland Waterways Act/Upper Mississippi River Valley Conference, 1928-1929
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Box 1
Folder 12
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Proposed 9-foot channel project, 1929-1932
Historical Note
Winneshiek Refuge opposition
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