@misc{indiciae801a699117d4,
  title = {Adaptation of a ground-water-flow model of the Little Androscoggin River Valley aquifer, Oxford County, Maine to a microcomputer},
  author = {Thomas J. Mack},
  year = {1991},
  doi = {10.3133/ofr90371},
  url = {https://pubs.usgs.gov/publication/ofr90371},
  note = {Source identifier: ofr90371}
}