U.S. Geological Survey hydrologic technician measuring streamflow at the Big Sioux River at Arkon, Iowa, on March 17, 2010, during flooding conditions.
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U.S. Geological Survey hydrologic technician measuring streamflow at the Big Sioux River at Arkon, Iowa, on March 17, 2010, during flooding conditions.
Flooding conditions at USGS streamgage 06485500, Big Sioux River at Arkon, Iowa, on March 17, 2010. Daily mean streamflow on this date was more than 30,000 cubic feet per second.
Flooding conditions at USGS streamgage 06485500, Big Sioux River at Arkon, Iowa, on March 17, 2010. Daily mean streamflow on this date was more than 30,000 cubic feet per second.
Views, looking west, to downtown Decorah, Iowa, from a city park bluff on east side of town. Downtown courthouse tower and church spires are prominent.
Views, looking west, to downtown Decorah, Iowa, from a city park bluff on east side of town. Downtown courthouse tower and church spires are prominent.