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Ground verification of aerial survey for Port-Orford-cedar root disease in southwest Oregon

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By: Kanaskie, Alan. - Pacific Northwest Research Station (Portland, Or.) - National association of state foresters.

Publication info: Portland, OR, Pacific Northwest Research Station, USDA Forest Service, Forestry Sciences Laboratory, [2002]

Holding Institution: U.S. Department of Agriculture, National Agricultural Library

Subjects: Aerial surveys in forestry Diseases and pests Oregon Port Orford cedar Roots (Botany)