The National Wetlands Inventory (NWI) provides detailed information on the characteristics and distribution of wetlands in the United States. This update incorporates many changes, including the representation of wetland areas for intermittent streams.
View in Map RoomThe Environmental Conservation Online System (ECOS) is a gateway web site that provides access to data systems in the U.S. Fish and Wildlife Service (Service) and other government data sources. This central point of access assists Service personnel in managing data and information, and it provides public access to information from numerous Service databases.
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