@misc{indiciae78e9b5308e2f, title = {Generalized potentiometric-surface map and groundwater flow directions in the Madison aquifer near Jewel Cave National Monument, South Dakota}, author = {Todd M. Anderson and William G. Eldridge and Joshua F. Valder and Michael E. Wiles}, year = {2019}, doi = {10.3133/sir20195098}, url = {https://pubs.usgs.gov/publication/sir20195098}, note = {Source identifier: sir20195098} }