Photo by Amy Redmond | U.S. Army Corps of Engineers, Nashville District | 09.13.2013
This is the dissolved oxygen and pH samples collected from the test site at river mile 243.8 on the Cumberland River for the 2013 World Water Monitoring Challenge on Sept. 13, 2013....
Photo by Amy Redmond | U.S. Army Corps of Engineers, Nashville District | 09.13.2013
Trey Church, natural resource specialist at Old Hickory Lake, holds up the dissolved oxygen to the dissolved oxygen color chart for recording the results collected at river mile 237 on the Cumberland River for the 2013 World Water Monitoring Challenge Sept. 13, 2013....
Photo by Amy Redmond | U.S. Army Corps of Engineers, Nashville District | 09.13.2013
Trey Church, natural resource specialist at Old Hickory Lake, records the four key water quality indicators: dissolved oxygen, pH, temperature, and turbidity from the test site at river mile 237 on the Cumberland River for the 2013 World Water Monitoring Challenge Sept. 13, 2013....
Courtesy Photo | U.S. Army Corps of Engineers, Nashville District | 09.13.2013
Amy Redmond, natural resource specialist at Old Hickory Lake, holds up the pH sample to the pH color chart for recording the results collected at river mile 247.7 on the Cumberland River for the 2013 World Water Monitoring Challenge Sept. 13, 2013. (Photo by Trey Church)...
Courtesy Photo | U.S. Army Corps of Engineers, Nashville District | 09.13.2013
Amy Redmond, natural resource specialist at Old Hickory Lake, holds up the pH sample to the pH color chart for recording the results collected at river mile 247.7 on the Cumberland River for the 2013 World Water Monitoring Challenge Sept. 13, 2013. (Photo by Trey Church)...