@misc{indiciaed170d0bf5c2b,
  title = {Geologic map of the Mare Acidalium Quadrangle, Mars (Revised)},
  author = {N.E. Witbeck and J.R. Underwood},
  year = {1984},
  doi = {10.3133/i1614},
  url = {https://pubs.usgs.gov/publication/i1614},
  note = {Source identifier: i1614}
}