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Browsing Extension Service -- Pacific Northwest Extension Publishing by Subject "Tansy ragwort -- Control"

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Browsing Extension Service -- Pacific Northwest Extension Publishing by Subject "Tansy ragwort -- Control"

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  • Oregon State University. Extension Service; Washington State University. Extension; University of Idaho. Extension; Hepworth, Homer M.; Guelette, Lee O. ([Covallis, Or.] : Oregon State University Extension Service, 1977-04)
  • Oregon State University. Extension Service; Washington State University. Extension Service; University of Idaho. Extension Service ([Covallis, Or.] : Oregon State University Extension Service, 1981-11)
  • Oregon State University. Extension Service; Washington State University. Cooperative Extension; University of Idaho. Cooperative Extension Service ([Covallis, Or.] : Oregon State University Extension Service, 1983-02)
  • Oregon State University. Extension Service; Washington State University. Cooperative Extension; University of Idaho. Cooperative Extension Service ([Covallis, Or.] : Oregon State University Extension Service, 1985-04)
  • Oregon State University. Extension Service; Washington State University. Cooperative Extension; University of Idaho. Cooperative Extension Service ([Covallis, Or.] : Oregon State University Extension Service, 1987-07)

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