@misc{indiciaeeb661941e090,
  title = {Shaded relief and surface markings map, shaded relief map, and controlled photomosaic of Io},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1987},
  doi = {10.3133/i1713},
  url = {https://pubs.usgs.gov/publication/i1713},
  note = {Source identifier: i1713}
}