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This ArcGIS shapefile shows the known locations of beaver dams in the Tualatin Basin. The dam location information was generated by multiple local agencies, groups, and organizations. The local sources had identified the beaver dams between 2013 and 2016. USGS worked with these local sources to combine all data into one inventory.


    map background search result map search result map Beaver dam locations in the Tualatin Basin, Oregon, between 2011 and 2019 Beaver dam locations in the Tualatin Basin, Oregon, between 2011 and 2019