@misc{indiciaedec9cf824d04, title = {Top Elevation of Glacial Till and Thickness of the Big Sioux Aquifer Delineated From Electrical Resistivity Tomography Surveys Near Sioux Falls, South Dakota, 2022 and 2025}, author = {Colton J. Medler and Todd M. Anderson}, year = {2026}, doi = {10.3133/sir20265023}, url = {https://pubs.usgs.gov/publication/sir20265023}, note = {Source identifier: sir20265023} }