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By: Johnson, David W. (David Winslow),Edition:Publication info:Volume: R2-38Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: Acreage Arceuthobium americanum estimated costs Parasitic plants Pest Control Pinus contortaBHL Collections:
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By: Johnson, David W. (David Winslow),Edition:Publication info:Volume: R2-61Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: Arceuthobium americanum Colorado disease control national forests Parasitic plants Pinus contorta plant diseases and disorders PruningBHL Collections: