@misc{indiciaef5453912ce43,
  title = {Digital models of ground-water flow in the Cape Cod aquifer system, Massachusetts},
  author = {John H. Guswa and Denis R. LeBlanc},
  year = {1981},
  doi = {10.3133/ofr8067},
  url = {https://pubs.usgs.gov/publication/ofr8067},
  note = {Source identifier: ofr8067}
}