@misc{indiciaea83cc6dd66e2,
  title = {Controlled photomosaic and revised shaded relief map of the Mare Boreum region of Mars},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1988},
  doi = {10.3133/i1876},
  url = {https://pubs.usgs.gov/publication/i1876},
  note = {Source identifier: i1876}
}