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Federal
Surface Drinking Water Importance (Feature Layer)
Department of Agriculture —
Note: This is a large dataset. To download, go to�ArcGIS Open Data Set�and click the download button, and under additional resources select the shapefile or... -
Federal
SWAT - Soil and Water Assessment Tool
Department of Agriculture —
The Soil and Water Assessment Tool (SWAT) is a public domain model jointly developed by USDA Agricultural Research Service (USDA-ARS) and Texas A&M AgriLife...