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  1. Cecil county.
    By: Maryland Geological Survey - Bascom, F. - Bauer, L. A. - Bonsteel, Jay Allan, - Curran, Hugh M. - Dorsey, Clarence Wilbur, - Fassig, Oliver Lanard, - Mathews, Edward Bennett, - Pressey, Henry Albert, - Shattuck, George Burbank, - Sudworth, George Bishop, - Geological Survey (U.S.) - United States.
    Publication info: Baltimore,The Johns Hopkins Press,1902.
    Contributed by: Smithsonian Libraries
    BHL Collections: Smithsonian Institution Libraries
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  2. Check list of the forest trees of the United States : their names and ranges / by George B. Sudworth.
    By: Sudworth, George Bishop, - Roth, Filibert, - Carl A. Schenck Collection (North Carolina State University)
    Publication info: Washington, D.C. :Dept. of Agriculture, Forestry Division,1898.
    Contributed by: NCSU Libraries (archive.org)
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  3. Check list of the forest trees of the United States, their names and ranges.
    By: Sudworth, George Bishop,
    Publication info: WashingtonGovt. Print. Off.1898
    Contributed by: Robarts - University of Toronto (archive.org)
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  4. Forest trees of the Pacific slope, by George B. Sudworth.
    By: United States. - Sudworth, George Bishop,
    Publication info: WashingtonGovt. Print. Off.1908
    Contributed by: Robarts - University of Toronto (archive.org)
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