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State
MD iMAP: Maryland Salt Marsh - Salt Marsh
State of Maryland —
This is a MD iMAP hosted service. Find more information at http://imap.maryland.gov. These digital data files are records of salt marsh location and extent as defined... -
Federal
Alaska LandCarbon Wetland Distribution Map
Department of the Interior —
This product provides regional estimates of specific wetland types (bog and fen) in Alaska. Available wetland types mapped by the National Wetlands Inventory (NWI)... -
Federal
Columbia River ESI: NWI (National Wetlands Inventory - Polygons)
National Oceanic and Atmospheric Administration, Department of Commerce —
This data set contains vector polygons representing the wetlands of Columbia River classified according to the Environmental Sensitivity Index (ESI) classification...