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.
Stormwater runoff monitoring site at Meadowbrook Golf course, near the outlet of the Arrowhead drainage basin in Rapid City, SD.
Stormwater runoff monitoring site at Meadowbrook Golf course, near the outlet of the Arrowhead drainage basin in Rapid City, SD.
Souris River near Westhope, North Dakota, August 21, 2009. This picture is provided to compare to other pictures at this gaging location during flooding. Streamflow at this time was approximately 200 cubic feet per second.
Souris River near Westhope, North Dakota, August 21, 2009. This picture is provided to compare to other pictures at this gaging location during flooding. Streamflow at this time was approximately 200 cubic feet per second.
![Image: Subsurface Coring on the Belle Fourche River, South Dakota](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/Geoprobe.jpg?itok=yXP-jDKE)
Sediment sampling was conducted in 2009-10 to document concentrations of metals in sediment in Quaternary-age fluvial deposits along the Cheyenne and Belle Fourche Rivers in western South Dakota.
Sediment sampling was conducted in 2009-10 to document concentrations of metals in sediment in Quaternary-age fluvial deposits along the Cheyenne and Belle Fourche Rivers in western South Dakota.
Sediment sampling was conducted in 2009-10 to document concentrations of metals in sediment in Quaternary-age fluvial deposits along the Cheyenne and Belle Fourche Rivers in western South Dakota.
Sediment sampling was conducted in 2009-10 to document concentrations of metals in sediment in Quaternary-age fluvial deposits along the Cheyenne and Belle Fourche Rivers in western South Dakota.
Souris River near Westhope, North Dakota, July 24, 2009. This picture is provided to compare to other pictures at this gaging location during flooding. Streamflow at this time was approximately 200 cubic feet per second.
Souris River near Westhope, North Dakota, July 24, 2009. This picture is provided to compare to other pictures at this gaging location during flooding. Streamflow at this time was approximately 200 cubic feet per second.
Riffle on Pipestem Creek near Pingree, North Dakota.
Riffle on Pipestem Creek near Pingree, North Dakota.
USGS rapidly deployable gage temporarily installed to monitor 2009 flood on James River at Fifth Street in Jamestown, North Dakota.
USGS rapidly deployable gage temporarily installed to monitor 2009 flood on James River at Fifth Street in Jamestown, North Dakota.
The upper Sheyenne River, above Harvey, North Dakota, meandering through a pasture.
The upper Sheyenne River, above Harvey, North Dakota, meandering through a pasture.
Flooding on the Cannonball River at Breien, North Dakota.
Flooding on the Cannonball River at Breien, North Dakota.
Stop sign in the middle of a lake showing overland flooding of the James River at the North Dakota-South Dakota state line, 2009
Stop sign in the middle of a lake showing overland flooding of the James River at the North Dakota-South Dakota state line, 2009
Midtown Dam on the Red River of the North. Photo taken from the Fargo, North Dakota, side facing Moorhead, Minnesota.
Midtown Dam on the Red River of the North. Photo taken from the Fargo, North Dakota, side facing Moorhead, Minnesota.
Little Missouri River near Watford City, North Dakota, with the badlands in the background.
Little Missouri River near Watford City, North Dakota, with the badlands in the background.
Stage plate at Arrowhead drainage basin upstream from Arrowhead Country Club in Rapid City, SD. Runoff from this drainage discharges into Rapid Creek. Stormwater runoff from urbanized lands is known to harm surface-water resources by increasing stream velocities, destroying natural habitat, and increasing pollutant loads in the receiving waters.
Stage plate at Arrowhead drainage basin upstream from Arrowhead Country Club in Rapid City, SD. Runoff from this drainage discharges into Rapid Creek. Stormwater runoff from urbanized lands is known to harm surface-water resources by increasing stream velocities, destroying natural habitat, and increasing pollutant loads in the receiving waters.
USGS Hydrologist, Andy Long, demonstrates an interactive groundwater-flow model in the USGS South Dakota Water Science Center laboratory to students attending Geology Camp with the South Dakota School of Mines in 2008.
USGS Hydrologist, Andy Long, demonstrates an interactive groundwater-flow model in the USGS South Dakota Water Science Center laboratory to students attending Geology Camp with the South Dakota School of Mines in 2008.
Stormwater runoff following a May 2008 storm event in the Arrowhead drainage basin in Rapid City, SD. Runoff from this drainage discharges into Rapid Creek. Stormwater runoff from urbanized lands is known to harm surface-water resources by increasing stream velocities, destroying natural habitat, and increasing pollutant loads in the receiving waters.
Stormwater runoff following a May 2008 storm event in the Arrowhead drainage basin in Rapid City, SD. Runoff from this drainage discharges into Rapid Creek. Stormwater runoff from urbanized lands is known to harm surface-water resources by increasing stream velocities, destroying natural habitat, and increasing pollutant loads in the receiving waters.
USGS Hydrologist, Janet Carter, demonstrates an interactive groundwater-flow model to visitors at Water Fun Day, held on April 20, 2008, at the Journey Museum in Rapid City, SD.
USGS Hydrologist, Janet Carter, demonstrates an interactive groundwater-flow model to visitors at Water Fun Day, held on April 20, 2008, at the Journey Museum in Rapid City, SD.
Mark Anderson, Director of the USGS South Dakota Water Science Center, with Dr. John H. Marburger, III, Director, Office of Science and Technology Policy, Executive Office of the President. Dr. Marburger was the keynote speaker for the 2008 Western South Dakota Hydrology Conference, held on April 17, 2008, in Rapid City, SD.
Mark Anderson, Director of the USGS South Dakota Water Science Center, with Dr. John H. Marburger, III, Director, Office of Science and Technology Policy, Executive Office of the President. Dr. Marburger was the keynote speaker for the 2008 Western South Dakota Hydrology Conference, held on April 17, 2008, in Rapid City, SD.
Bridge over the Red River of the North at Oslo, Minnesota.
Bridge over the Red River of the North at Oslo, Minnesota.
Flood debris was caught in barbed wire fence after the Hermosa flood. A system of severe thunderstorms on August 17, 2007, caused heavy precipitation and flash flooding in and near Hermosa, SD.
Flood debris was caught in barbed wire fence after the Hermosa flood. A system of severe thunderstorms on August 17, 2007, caused heavy precipitation and flash flooding in and near Hermosa, SD.