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Annual Report for ... with Accompanying Papers, Volume 1
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Reports, with Accompanying Papers, Volume 1
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The Grasses of Iowa
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Annual Report ... with Accompanying Papers, Volume 8
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Annual Report ... with Accompanying Papers, Volume 4
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Report on the Geological Survey of the State of Iowa, to the Thirteenth...
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Annual Report ... with Accompanying Papers, Volume 5
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Reports and Papers, Volume 13
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Bulletin, Issue 1, Part 2

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