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: 424
View PDF image
December 2, 2018

1970 EROS Organizational Chart

1970 EROS Organizational Chart - EROS History Project

Attribution: Land Resources
USGS
April 8, 2020

Aggregates Data by State, Type, and End Use; 1971–2016

This data set contains supplemental aggregates data for the USGS Minerals Yearbook Volume II—Area Reports: Domestic. It contains data for the years 1971 through 2016 and replaces the discrete construction aggregate tables that were included in the individual State chapters prior to 2014. It contains

View PDF image
December 2, 2018

2003 30th Anniversary Speaker List

2003 30th Anniversary Speaker List - EROS History Project

Attribution: Land Resources