Check list of the forest trees of the United States, their names and ranges Sudworth, George B. (George Bishop), 1864-1927 creator text book Washington Govt. Print. Off 1898 1898
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ENG Forests and forestry Trees United States QK481 S93 U.S. Dept. of Agriculture. Division of Forestry. Bulletin no. 17 https://www.biodiversitylibrary.org/bibliography/44476 10.5962/bhl.title.44476 OTU