Unified Interior Regions

South Dakota

Surface water and groundwater provide important water supplies in South Dakota. Major rivers include the Big Sioux, James, Cheyenne, and Missouri Rivers. Key aquifers include the Dakota, Madison, Minnelusa, and Big Sioux aquifers. The Dakota Water Science Center has many studies that focus on these resources as well various other national and international studies. 

Link to Science Center

States L2 Landing Page Tabs

Filter Total Items: 398
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December 2, 2018

1970 Comparison of 1968 and 1966 Infrared Imagery of Surtsey Article

1970 Comparison of 1968 and 1966 Infrared Imagery of Surtsey Article - EROS History Project

Attribution: Land Resources
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December 2, 2018

1998 25th Anniversary Argus Leader Article

1998 25th Anniversary Argus Leader Article - EROS History Project

Attribution: Land Resources
USGS
April 19, 2020

1970 Announcement that Sioux Falls is EROS site

1970 Announcement that Sioux Falls is EROS site

Attribution: Land Resources
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December 2, 2018

1970 Comparison of Basic Modes for Imaging the Earth Paper

1970 Comparison of Basic Modes for Imaging the Earth Paper - EROS HIstory Project

Attribution: Land Resources
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December 2, 2018

1991 EROS Data Center Annual Report

1991 EROS Data Center Annual Report - EROS History Project

Attribution: Land Resources
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December 4, 2018

EROS Monthly - October 2018

EROS Records Management Report - October 2018

Image: Measuring Absolute Gravity on Top of Terry Peak, SD

Measuring Absolute Gravity on Top of Terry Peak, SD

USGS researchers made microgravity measurements to determine groundwater-storage changes in the karstic Madison aquifer in the Black Hills of South Dakota during 2009-12. The absolute-gravity measurement was made at a station located on top of Terry Peak in the northern Black Hills.