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Preliminary report on insect enemies of forests in Northwest
account of results gained from reconnaissance trip made in spring and early summer of 1899
Record is based on bibliographic data in ProQuest U.S. Executive Branch Documents, 1789-1909. Reuse except for individual research requires license from ProQuest, LLC.
Electronic reproduction. [Bethesda, Md.] : ProQuest, 2012. digital, PDF file. ProQuest U.S. Executive Branch Documents, 1789-1909. Mode of access: World Wide Web via ProQuest website.
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