@misc{indiciaed54a030ef0ca, title = {Shaded relief map of the Aeolis Quadrangle of Mars}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1976}, doi = {10.3133/i1000}, url = {https://pubs.usgs.gov/publication/i1000}, note = {Source identifier: i1000} }