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Amy Redmond, natural resource specialist at Old Hickory
Summary
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)
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Date
13/09/2013
Source
Defense Visual Information Distribution Service
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