@misc{indiciaec323998cecf4, title = {Topographic map of the Phoenicis Lacus Northeast Quadrangle of Mars}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1986}, doi = {10.3133/i1689}, url = {https://pubs.usgs.gov/publication/i1689}, note = {Source identifier: i1689} }