@misc{indiciae137fd3e60528, title = {Topographic map of the Phaethontis Quadrangle of Mars}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1979}, doi = {10.3133/i1167}, url = {https://pubs.usgs.gov/publication/i1167}, note = {Source identifier: i1167} }