RT @USGS: Urban river pollution is tough to track. In #WashingtonDC @USGS scientists overcome challenges in 1-year study of #Anacostia Rive…
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Urban river pollution is tough to track. In #WashingtonDC USGS scientists overcome challenges in 1-year study of #Anacostia River tributaries #chemicalsofconcern. https://t.co/7J3vSuygfN Study helps DC city government, National Park Service protect rive… h
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Urban river pollution is tough to track. In #WashingtonDC USGS scientists overcome challenges in 1-year study of #Anacostia River tributaries #chemicalsofconcern. https://t.co/DqBZNusddM Study helps DC city government, National Park Service protect rive… h
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RT @USGS: Urban river pollution is tough to track. In #WashingtonDC @USGS scientists overcome challenges in 1-year study of #Anacostia Rive…