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This data set represents the extent, approximate location and type of wetlands and deepwater habitats in the conterminous United States. These data delineate the areal extent of wetlands and surface waters as defined by Cowardin et al. (1979). Certain wetland habitats are excluded from the National mapping program because of the limitations of aerial imagery as the primary data source used to detect wetlands. These habitats include seagrasses or submerged aquatic vegetation that are found in the intertidal and subtidal zones of estuaries and near shore coastal waters. Some deepwater reef communities (coral or tuberficid worm reefs) have also been excluded from the inventory. These habitats, because of their depth,...
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This data set represents the extent, approximate location and type of wetlands and deepwater habitats in the conterminous United States. These data delineate the areal extent of wetlands and surface waters as defined by Cowardin et al. (1979). Certain wetland habitats are excluded from the National mapping program because of the limitations of aerial imagery as the primary data source used to detect wetlands. These habitats include seagrasses or submerged aquatic vegetation that are found in the intertidal and subtidal zones of estuaries and near shore coastal waters. Some deepwater reef communities (coral or tuberficid worm reefs) have also been excluded from the inventory. These habitats, because of their depth,...
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This data set represents the extent, approximate location and type of wetlands and deepwater habitats in Arizona. These data delineate the areal extent of wetlands and surface waters as defined by Cowardin et al. (1979). Certain wetland habitats are excluded from the National mapping program because of the limitations of aerial imagery as the primary data source used to detect wetlands. These habitats include seagrasses or submerged aquatic vegetation that are found in the intertidal and subtidal zones of estuaries and near shore coastal waters. Some deepwater reef communities (coral or tuberficid worm reefs) have also been excluded from the inventory. These habitats, because of their depth, go undetected by aerial...
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Due to the quantity and complexity of the data, wetlands and riparian data only displays at 1:250,000 scale and greater. For wetland information visit www.fws.gov/wetlands/The original wetland maps were produced as topical overlays using U.S. Geological Survey topographic maps as the base. Thus, the data are intended for use in publications, at a scale of 1:24,000 or smaller. Due to the scale, the primary intended use is for regional and watershed data display and analysis, rather than specific project data analysis. The wetlands data were neither designed nor intended to represent legal or regulatory products. These data were developed in conjunction with the Cowardin et al. publication (Cowardin, L.M., V. Carter,...


map background search result map search result map LSCFWSModifier_WETDBA.CONUS_wet_poly National Wetlands Inventory - Wetlands Wetlands and deepwater habitats in the state of Colorado, USA National Wetlands Inventory (NWI) polygon data, Arizona LSCFWSModifier_WETDBA.CONUS_wet_poly National Wetlands Inventory (NWI) polygon data, Arizona Wetlands and deepwater habitats in the state of Colorado, USA National Wetlands Inventory - Wetlands