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Sonde at Conowingo Dam

By Maryland-Delaware-D.C. Water Science Center
Kelly McVicker examines the sonde readings on the dam catwalk, as Shane Mizelle holds the sonde with a cable in the water below.
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Detailed Description

Hydrologic technician Kelly McVicker examines water-quality readings along the Conowingo Dam as Shane Mizelle lowers the sensor into the waters below.

Sources/Usage

Public Domain.