@misc{indiciae9fffae9d19b6,
  title = {Shaded relief map of the Argyre Quadrangle of Mars},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1975},
  doi = {10.3133/i923},
  url = {https://pubs.usgs.gov/publication/i923},
  note = {Source identifier: i923}
}