Drainage Basins Used for Assessing Trends in Concentration of Pesticides in Streams of the United States, 1992-2010
This dataset consists of drainage basin boundaries for 212
U.S. Geological Survey (USGS) stream sites sampled in the
National Water-Quality Assessment (NAWQA) Program, the National
Stream Quality Accounting Network (NASQAN), and the National
Monitoring Network (NMN). Of the 212 sites, 206 have
either a contributing or …