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Field notes, undated (Box 17)
Field notes, undated (Box 17)
Field notes, undated (Box 17)
Field notes, undated (Box 17)
Field notes, undated (Box 18)
Field notes, undated (Box 18)
Field notes, undated (Box 18)
Field notes, undated (Box 18)
Field notes, undated (Box 18)
Great Lakes pollen diagrams, undated (Box 18)