@misc{indiciaea30ad9f0c6e2, title = {Controlled photomosaic of the Mare Tyrrhenum northwest Quadrangle of Mars}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1982}, doi = {10.3133/i1468}, url = {https://pubs.usgs.gov/publication/i1468}, note = {Source identifier: i1468} }