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Filters: Keyword is Topography -- Surveying and Author is Ciesla, W. M [Clear All Filters]
Status of the Balsam Woolly Aphid in North Carolina and Tennessee - 1965. Asheville, N.C.: U.S. Forest Service, 1966.
Status of the Balsam Woolly Aphid in North Carolina and Tennessee - 1964. Asheville, N.C.: U.S. Forest Service, 1965.