@misc{indiciae74685ea2c7d0, title = {Water resources of the Big Sioux River Valley near Sioux Falls, South Dakota}, author = {Donald G. Jorgensen and Earl A. Ackroyd}, year = {1973}, doi = {10.3133/wsp2024}, url = {https://pubs.usgs.gov/publication/wsp2024}, note = {Source identifier: wsp2024} }