US Geological Survey
US Geological Survey - South Dakota Water Science Center
US Forest Service Black Hills
USGS Well Drillers Map
Indian Reserved Water Rights Under the Winters Doctrine: An Overview
South Dakota Department of Environment and Natural Resources
South Dakota Game, Fish and Parks
SD School of Mines and Technology
The Mighty Missouri an Overview of River Management and Water Rights (LRC)
Secretary of State Voter Information Portal
Pennington County
Pennington County Conservation District
Hawthorne Ditch Study, SDSMT
Pennington County Precincts (2020 census)
Black Hills Council of Local Governments
Black Hills Flyfishers
East Dakota Water Development District
Rural Community Assistance Corporation
Friends of Rapid Creek Parks
Black Hills Aquifer Maps
Spring Creek 319 Program
Water Cycle Glossary of Terms
Water Conservation At Home
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