@misc{indiciaeb92f11d80df3,
  title = {A digital model for aquifer evaluation},
  author = {George Francis Pinder},
  year = {1970},
  doi = {10.3133/twri07c1\_1970},
  url = {https://pubs.usgs.gov/publication/twri07C1\_1970},
  note = {Source identifier: twri07C1\_1970}
}