@misc{indiciaed8c371040dd3, title = {Topographic map of the Mare Tyrrhenum Northeast Quadrangle (MC-22 NE) of Mars}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1991}, doi = {10.3133/i2114}, url = {https://pubs.usgs.gov/publication/i2114}, note = {Source identifier: i2114} }