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Mount-Rushmore 1
July 10, 2012

Sampling Lafferty Gulch Surface Water at Mount Rushmore

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
memorial for the Independence Day holiday during 1998–2009. A major concern of park

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Mount Rushmore water sampling
July 10, 2012

Water Sampling at Mount Rushmore

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

Scientists collecting soil samples
June 20, 2012

Water Quality Sampling at Mount Rushmore National Memorial

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. An environmental concern to water resources

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Mount-Rushmore 3
June 20, 2012

Collection of Composite Soil Samples at Mount Rushmore

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. A major concern of park management is the contamination of groundwater and surface

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Image: USGS Outreach at South Dakota School of Mines Field Affair Class
June 19, 2012

USGS Outreach at South Dakota School of Mines Field Affair Class

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.

Image: USGS Outreach at South Dakota School of Mines Field Affair Class
June 19, 2012

USGS Outreach at South Dakota School of Mines Field Affair Class

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).

Image: Microgravity Measurement in Black Hills, SD
June 12, 2012

Microgravity Measurement in Black Hills, SD

Measurement with the relative gravimeter at an absolute-gravity station on an outcrop of Precambrian rocks. Microgravity measurements were collected to determine groundwater-storage changes in the karstic Madison aquifer in the Black Hills of South Dakota during 2009-12.

Image: USGS 1972 Flood Marker in Keystone, SD
June 7, 2012

USGS 1972 Flood Marker in Keystone, SD

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. This historic flood set many record peak discharges that remain today, and the communities of Rapid City and Keystone were

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Image: USGS 1972 Flood Marker at Cleghorn Springs Fish Hatchery, Rapid City, SD
June 6, 2012

USGS 1972 Flood Marker at Cleghorn Springs Fish Hatchery, Rapid City, SD

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. This historic flood set many record peak discharges that remain today, and the communities of Rapid City and

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Image: Monitoring Stormwater in Rapid City, SD
May 24, 2012

Monitoring Stormwater in Rapid City, SD

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

Installing stream monitoring equipment on a tributary to Grizzly Bear Creek
May 9, 2012

Water Quality Sampling at Mount Rushmore National Memorial

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. An environmental concern to water resources within Mount

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