USGS staff collecting water samples from the catwalk on Conowingo Dam

By Water Resources Mission Area 2020 (approx.)

USGS staff Dave Brower and Jeff Klein collecting water samples from the catwalk on Conowingo Dam.

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Detailed Description

USGS staff Dave Brower and Jeff Klein collecting water samples from the catwalk on Conowingo Dam. Streamgage 01578310 Susquehanna River at Conowingo, MD

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Public Domain.