@misc{indiciae8107d763582d, title = {Topographic map of the Sinus Sabaeus Northwest Quadrangle (MC-20 NW) of Mars}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1991}, doi = {10.3133/i2125}, url = {https://pubs.usgs.gov/publication/i2125}, note = {Source identifier: i2125} }