Gifford-Pinchot National Forest (N.F.) and Columbia River Gorge National Scenic Area, Site-specific Invasive Plant Treatment Project

Gifford-Pinchot National Forest (N.F.) and Columbia River Gorge National Scenic Area, Site-specific Invasive Plant Treatment Project

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Manual treatments may be less effective than herbicide treatments, and therefore chances would be higher of ... In April 2007, Northwest Coalition for Alternatives to Pesticides, the lead signer in the 1989 Mediated Agreement, agreed it wasanbsp;...


Title:Gifford-Pinchot National Forest (N.F.) and Columbia River Gorge National Scenic Area, Site-specific Invasive Plant Treatment Project
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Publisher: - 2008
ISBN-13:

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