First-of-its-kind Interactive Map Brings Together 40 Years of Water-Quality Data

ENN
Apr 5, 2017, 9:15 am37 pts
A new U.S. Geological Survey interactive map provides a comprehensive, long-term look at changes in the quality of our nation’s rivers and streams over the last four decades. For the first time, monitoring data collected by the USGS and 73 other organizations at almost 1,400 sites have been combined to…

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