@misc{indiciaef10fec7e064b, title = {Potentiometric surface of the Deadwood Aquifer in the Black Hills area, South Dakota}, author = {Michael L. Strobel and Joel M. Galloway and Ghaith R. Hamade and Gregory J. Jarrell}, year = {2000}, doi = {10.3133/ha745e}, url = {https://pubs.usgs.gov/publication/ha745E}, note = {Source identifier: ha745E} }