Water Management assesses water quality in Cumberland River Basin
Mark Campbell, hydrologist in the U.S. Army Corps of Engineers Nashville District’s Water Management Section, puts a preservative into a chlorophyl sampling on a survey boat in J. Percy Priest Lake in Nashville Tennessee April 27, 2021. (USACE Photo by Lee Roberts)

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Photo by: Lee Roberts |  VIRIN: 210427-A-EO110-1009.JPG