A Digital Hydrologic Network Supporting NAWQA MRB SPARROW Modeling--MRB_E2RF1WS
A digital hydrologic network was developed to support SPAtially Referenced Regression on Watershed 
attributes (SPARROW) models within selected regions of the United States. These regions correspond 
with the U.S. Geological Survey's National Water Quality Assessment (NAWQA) Program Major River 
Basin (MRB) study …