In this September 2016 photo, Clint VanSchepen, a hydrologic technician with the U.S. Geological Services Iowa Water Science Center in Iowa City, checks the river gauge on the Twelfth Avenue bridge in ...
Data from the U.S.-European Surface Water and Ocean Topography mission gives researchers a detailed look at lakes and reservoirs in a U.S. watershed. The Ohio River Basin stretches from Pennsylvania ...
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