@misc{indiciae1578aa5957e6,
  title = {Shaded relief and surface markings of the Colchis Region of Io},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1984},
  doi = {10.3133/i1550},
  url = {https://pubs.usgs.gov/publication/i1550},
  note = {Source identifier: i1550}
}