This layer contains all of the current NWI polygons that fall within the Yukon River watershed. They have been divided into higher value, and lesser value wetlands based on the hydrologic modifier present. Modifiers creating high values are C, E, F, H, J.
Department of the Interior (2023). Yukon River NWI [U.S. Fish and Wildlife Service]. . https://gis-fws.opendata.arcgis.com/maps/fws::yukon-river-nwi (web service)