USGS Streamgage NHDPlus Version 1 Basins 2011
This dataset represents 19,031 basin boundaries and their streamgage locations 
for the U.S. Geological Survey's (USGS) active and historical streamgages from 
the published dataset of Stewart and others (2006) and its subsequent updates 
(D.W. Stewart, USGS, written commun., 2011).  Only the basin boundaries that …