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.
States L2 Landing Page Tabs
2014 EROS Data Center High Priority Goals Statement
2014 EROS Data Center High Priority Goals Statement - EROS History Project
1966-1977 Earth Resources Observation Systems (EROS) Program History
1966-1977 Earth Resources Observation Systems (EROS) Program History Report - EROS History Project
1970 Future Applications of Earth Resource Surveys from Space Paper
1970 Future Applications of Earth Resource Surveys from Space Paper - EROS History Project
1998-2008 Strategic Direction Report
1998-2008 Strategic Direction Report - EROS History Project
Authenticity of Digital Imagery with the USGS Archive
Authenticity of Digital Imagery with the USGS Archive - Data Certification
TNMCorps Mapping Challenge: City/Town Halls in MT, ND, & SD 02/06/2020
TNMCorps Mapping Challenge: City/Town Halls in MT, ND, & SD 02/06/2020