@misc{indiciae0136b2784e17,
  title = {The role of digital cartographic data in the geosciences},
  author = {S.C. Guptill},
  year = {1983},
  doi = {10.1016/0098-3004(83)90032-8},
  url = {https://pubs.usgs.gov/publication/70011341},
  note = {Source identifier: 70011341}
}