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Publication Date: 1934-].
Publisher(s): [The Dept.
Contributor(s): Biodiversity Heritage Library
Collection(s): Biodiversity Heritage Library
Category: Others
Subject(s): Trees--Diseases and pests--Pennsylvania--Periodicals. , Forest insects--Control--Pennsylvania--Periodicals. , Pests--Control--Pennsylvania--Periodicals.
Keywords: Trees Diseases and pests Pennsylvania Periodicals. Forest insects Control Pennsylvania Periodicals. Pests Control Pennsylvania Periodicals.