@misc{indiciae6b76878f3b51, title = {Controlled photomosaic of part of the Elysium Mons Region of Mars}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1985}, doi = {10.3133/i1757}, url = {https://pubs.usgs.gov/publication/i1757}, note = {Source identifier: i1757} }