Watershed boundaries derived from terrain data - King County only
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资源简介：
A delineation of large rivers basins in Washington State. Areas that directly drain to the Puget sound but are not part of a river basin are grouped together based on adjacency to a river basin boundary. Delineations among this layer should group within defined WRIAs. A watershed is comprised of multiple basins.
创建时间：
2025-07-30
