@misc{indiciae4b7193fbf211,
  title = {Analog simulation of the ground-water system, Yuma, Arizona},
  author = {E.P. Patten},
  year = {1977},
  doi = {10.3133/pp486i},
  url = {https://pubs.usgs.gov/publication/pp486I},
  note = {Source identifier: pp486I}
}