@misc{indiciae190065054025, title = {Using hydrogeology to identify the source of groundwater to Montezuma Well, a natural spring in central Arizona: part 1}, author = {Raymond H. Johnson and Ed H. DeWitt and L. Rick Arnold}, year = {2012}, doi = {10.1007/s12665-012-1801-1}, url = {https://pubs.usgs.gov/publication/70048306}, note = {Source identifier: 70048306} }