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This map is a reinterpretation of a more extensive set of polygons demonstrating estimated original (pre 1850) vegetation types for the Willamette Valley. Vegetation type classifications were simplified and recombined for ease of comparison with currently used classifications: i.e. Shrubland, willow swamp was joined with other wetland types, though areas with that original designation can still be found using the "Information" function in ArcMap. The vegetation polygons can be laid over a basemap of current road system for use in comparing original vegetation with current vegetation status, and for locating extant remnants of original plant communities. I believe that the information contained within these...

    map background search result map search result map Willamette Valley Pre Settlement Vegetation 1850 Willamette Valley Pre Settlement Vegetation 1850