@misc{indiciaec765e52fe650, title = {Controlled photomosaic of the Tharsis Northwest Quadrangle of Mars}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1985}, doi = {10.3133/i1621}, url = {https://pubs.usgs.gov/publication/i1621}, note = {Source identifier: i1621} }