@misc{indiciaeafe438cb5cc0, title = {Controlled photomosaic of part of the Planum Australe region of Mars}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1986}, doi = {10.3133/i1839}, url = {https://pubs.usgs.gov/publication/i1839}, note = {Source identifier: i1839} }