Maintenance of the National Wetland Classification Standard: Classification of Wetlands and Deepwater Habitats of the United States

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This revised standard will be used by the U.S. Fish and Wildlife Service’s (Service) National Wetlands Inventory (NWI) to complement the Wetland Mapping Standard for entering federally funded and outside contributed standards-compliant wetlands geospatial data into the Wetlands Layer of the National Spatial Data Infrastructure (NSDI).

The U.S. Fish and Wildlife Service is the principal federal agency tasked with providing information to the public on the extent and status of the nation’s wetland and deepwater habitats, as well as changes to these habitats over time.