National Wetlands Inventory (NWI) - Wind/Bighorn River Basins (2003)

Wyoming Geographic Information Science Center - Original digital National Wetland Inventory quadrangles converted into Arc/Info coverages with matching attributes. Yellowstone National Park Data - The wetlands of Yellowstone National Park are records of wetlands location and classification as defined by the U.S. Fish & Wildlife Service. This dataset is one of a series available in 7.5 minute by 7.5 minute blocks containing ground planimetric coordinates of wetlands point, line, and area features and wetlands attributes. Data were assembled and edgematched by staff at Yellowstone National Park's Spatial Analysis Center to provide a seamless coverage.