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Record of gypsy moth work, 1915-1923


Author:
United States. Bureau of Entomology and Plant Quarantine
Year:
1937
Subject:
Gypsy moth -- Control -- United States
Format:
1 online resource (134 unnumbered pages) : color maps.
Publisher:
United States Department of Agriculture, Bureau of Entomology and Plant Quarantine
Collection:
USDA publications