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Located just across the Columbia River from Portland, Ore., historic Clark County attracts visitors who enjoy open spaces. But there are some visitors for whom the county would rather not play host: knapweed, poison hemlock, and butterfly bush, to name just a few.
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Natural mowing machines trim hard-to-reach territory.
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Product features from the June 2009 PUBLIC WORKS Products Newsletter
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Product from the April 2009 Products Newsletter
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No one knows exactly how many Odocoileus virginianus, i.e., white-tailed deer; are killed by motorists each year, but suffice it to say it's tens of thousands. The extremely adaptable, extremely fecund species is found in all but three states.
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It pays to partner with universities and herbicide manufacturers.