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Water-quality trends in nation’s rivers & streams - Data preparation, stat methods & trend results https://t.co/kfmvv2rmCb via @USGS_Pubs
Water-quality trends in nation’s rivers & streams - Data preparation, stat methods & trend results https://t.co/kfmvv2rmCb via @USGS_Pubs
RT @jordansread: water quality trends for streams and rivers https://t.co/ae1DvAmSQ0 https://t.co/P199oSnJXl
Water-quality trends in the nation’s rivers and streams, 1972–2012—Data prep, statistical methods, and trend results https://t.co/ZMDzYEIGeE https://t.co/C3bZfR01Y8
RT @jordansread: water quality trends for streams and rivers https://t.co/ae1DvAmSQ0 https://t.co/P199oSnJXl