@misc{indiciaeeec2e5097575, title = {Ground-Water Flow Model of the Sierra Vista Subwatershed and Sonoran Portions of the Upper San Pedro Basin, Southeastern Arizona, United States, and Northern Sonora, Mexico}, author = {D. R. Pool and Jesse E. Dickinson}, year = {2007}, doi = {10.3133/sir20065228}, url = {https://pubs.usgs.gov/publication/sir20065228}, note = {Source identifier: sir20065228} }