@misc{indiciaeb1fdad767ac7,
  title = {Geographic information system development in the CARETS project},
  author = {William B. Mitchell and Robin G. Fegeas and Katherine A. Fitzpatrick and Cheryl A. Hallam},
  year = {1977},
  doi = {10.3133/70039599},
  url = {https://pubs.usgs.gov/publication/70039599},
  note = {Source identifier: 70039599}
}