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  1. Handbook of native woody plants of the United States /
    By: Van Dersal, William Richard, - United States.
    Publication info: [Washington, D.C.] :Soil Conservation Service,[1936]
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  2. Native woody plants of the United States : their erosion-control and wildlife values /
    By: Van Dersal, William Richard, - Mulford, Furman Lloyd, - Thornthwaite, C. w.
    Edition: Slightly rev.
    Publication info: Washington :For sale by the Supt. of Docs.,1939.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  3. Native woody plants of the United States, their erosion-control and wildlife values.
    By: Van Dersal, William Richard, - Mulford, Furman Lloyd, - Thornthwaite, Charles Warren, - United States.
    Publication info: Washington,U. S. Govt. print. off.,1938.
    Contributed by: Prelinger Library (archive.org)
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