TY - RPRT TI - Hydrologic budgets and water availability of six bedrock aquifers in the Black Hills area, South Dakota and Wyoming, 1931–2022 AU - Colton J. Medler AU - Todd M. Anderson AU - William G. Eldridge PY - 2025 DO - 10.3133/sir20255067 UR - https://pubs.usgs.gov/publication/sir20255067 ID - sir20255067 ER -