@misc{indiciae4e0eb387fb1b, title = {Topographic Map of the Northwest Ascraeus Mons Region of Mars - MTM 500k 15/252E OMKT}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {2004}, doi = {10.3133/i2795}, url = {https://pubs.usgs.gov/publication/i2795}, note = {Source identifier: i2795} }