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Filtering by: Subject Douglas fir -- Washington (State) -- Colville National Forest

Forest insect and disease status prior to operation of a magnesium plant in northeastern Washington

Creator:

Carlson, Clinton E., Gilligan, Carma J., and United States. Forest Service. Northern Region. State & Private Forestry

Abstract:

An evaluation to establish baseline data on forest insect and disease activity near a magnesium plant under construction in northeastern Washington was initiated in 1974. The plant will emit significant amounts of sulfur dioxide. Data indicates that several fungal and insect species are at low populations. Needle retention appears normal...

Resource Type:

Technical Report