@misc{indiciaea8bf22ed4409, title = {Controlled photomosaic of the Mare Boreum G Quadrangle of Mars}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1985}, doi = {10.3133/i1671}, url = {https://pubs.usgs.gov/publication/i1671}, note = {Source identifier: i1671} }