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RT @USGS_Pubs: The water quality of selected streams in the Catskill and Delaware water-supply watersheds in New York, 1999–2009, https://t…
RT @USGS_Pubs: The water quality of selected streams in the Catskill and Delaware water-supply watersheds in New York, 1999–2009, https://t…
The water quality of selected streams in the Catskill and Delaware water-supply watersheds in New York, 1999–2009, https://t.co/c3MRHU1coX https://t.co/QjCVv0jpog