An Oregon Department of Corrections crew manually treats invasive meadow knapweed in a Lane County right of way to prevent re-invasion of Corps land at Dorena Reservoir. (Photo by Wes Messinger, Willamette Valley Project) [District pest plan focuses on early detection, rapid response]

An Oregon Department of Corrections crew manually treats invasive meadow knapweed in a Lane County right of way to prevent re-invasion of Corps land at Dorena Reservoir. (Photo by Wes Messinger, Willamette Valley Project)

An Oregon Department of Corrections crew manually treats invasive meadow knapweed in a Lane County right of way to prevent re-invasion of Corps land at Dorena Reservoir. (Photo by Wes Messinger, Willamette Valley Project)