@misc{indiciae71424cc8ed7c, title = {Topographic map of the Amenthes Northwest Quadrangle (MC-14 NW) of Mars}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1991}, doi = {10.3133/i2137}, url = {https://pubs.usgs.gov/publication/i2137}, note = {Source identifier: i2137} }