Vegetation (1851) - 1 views
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LCENVS Helper on 27 Jul 11This polygon coverage depicts historical vegetation in the Willamette Valley, Oregon, including portions of Clark County, Washington along the Columbia River. Vegetation present at the time of survey is a close approximation of vegetation prior to widespread changes wrought by Euroamerican settlement.| D:GIS_DATA>EnvsData>Other_Sites>PDX_Metro>Environ