@misc{indiciae6f7e4cff3f8a,
  title = {Flow in the unsaturated zone, Tucson, Arizona},
  author = {D. D. Graham},
  year = {1988},
  doi = {10.3133/ofr88329},
  url = {https://pubs.usgs.gov/publication/ofr88329},
  note = {Source identifier: ofr88329}
}