Images

View of the control structure, used to help get an accurate streamflow measurement at the streamgage, on the Souris River near Foxholm, North Dakota.  When the picture was takend streamflow was 25.4 cubic feet per second and the gage height was 5.80 feet.

Image of the channel of the Wild River River at Interstate 29, near St. Benedict, North Dakota.  Rocks are there to prevent bed scour/erosion.

Cablecar that allows USGS personnel to cross the Souris River near Sherwood, North Dakota, and measure the streamflow.

Highway 5 between Bottineau and Westhope, North Dakota.

The Lower Brule Environmental Protection Office and USGS provided "chase" boats to carry unmanned aerial system (UAS) spotters during the UAS flights at Lower Brule, SD, August 21-23, 2012. This period included 1-day field demonstration for Tribes, Federal, State, and local agencies and others at Lower Brule, SD.

View of the Little Missouri River at Medora, North Dakota.  USGS personnel were their to measure streamflow and maintain the streamgage.  Streamflow was 34.8 cubic feet per second, gage height 1.93 feet.

USGS hydrologist surveying distinct vegetation bands in wetland area south of West Brule Community. A reconnaissance-level study of selected wetlands on and near the Lower Brule Indian Reservation in South Dakota was completed in 2012-13 by the U.S. Geological Survey in cooperation with the Lower Brule Sioux Tribe using ground surveys and water-quality analyses.

Sampling Lafferty Gulch surface water that was analyzed for perchlorate and metals on July 10, 2012. Water-quality sampling of groundwater and surface water was conducted during 2011-15 at Mount Rushmore National Memorial to characterize the occurrent of perchlorate and selected metals commonly associated with fireworks.

USGS scientists take samples of Lafferty Gulch surface water, which was analyzed for perchlorate and metals.

Lafferty Gulch surface water at Mount Rushmore National Memorial was sampled
and analyzed for perchlorate and metals on July 10, 2012. An environmental concern to water resources
within Mount Rushmore National Memorial has been the annual aerial fireworks display at the

Collection of composite soil samples, Mount Rushmore National Memorial, June 20, 2012. An environmental concern to water resources within Mount Rushmore National Memorial has been the annual aerial fireworks display at the memorial for the Independence Day holiday during 1998–2009.

Collection of composite soil samples, Mount Rushmore National Memorial, June 20, 2012. Water-quality sampling of groundwater and surface water and soil sampling was conducted during 2011-15 at Mount Rushmore National Memorial to characterize the occurrent of perchlorate and selected metals commonly associated with fireworks.

U.S. Geological Survey Hydrologic Technician, Louis Leader Charge, demonstrates collection of stream discharge data to the Field Affair class from the South Dakota School of Mines on June 19, 2012. The demonstration is at Rapid Creek in Rapid City, SD (streamgage 06414000).

U.S. Geological Survey Hydrologist, Janet Carter, demonstrates an interactive groundwater-flow model to the Field Affair class at the South Dakota School of Mines and Technology on June 19, 2012, in Rapid City, SD. The model can be used to show how a contaminant can travel through an aquifer to a pumping well.

Mark Anderson, Director of the USGS South Dakota Water Science Center, dedicated a flood marker at the Post Office in Keystone, SD, in June 2012 to commenorate the 40th anniversary of the devastating 1972 flood in the Black Hills of South Dakota.

Mark Anderson, Director of the USGS South Dakota Water Science Center, dedicated a flood marker at Cleghorn Springs Fish Hatchery in Rapid City, SD, in June 2012 to commemorate the 40th anniversary of the devastating 1972 flood in the Black Hills of South Dakota.

U.S. Geological Survey Hydrologic Technicians measure streamflow for a stormwater monitoring study in Rapid City, SD.

USGS Personnel using a cableway and accoustic doppler current profiler to measure streamflow on the Souris River near Sherwood, North Dakota.

Installing stream monitoring equipment on a tributary to Grizzly Bear Creek, May 9, 2012. Water-quality sampling of groundwater and surface water was conducted during 2011-15 at Mount Rushmore National Memorial to characterize the occurrent of perchlorate and selected metals commonly associated with fireworks.

USGS Hydrologist Galen Hoogestraat and contract student Robert Prann install a stage logger near Mount Rushmore in western South Dakota.

Grizzly Bear Creek in the Black Hills of South Dakota on May 9, 2012.