TY - RPRT TI - Controlled photomosaic of the Phaethontis North-central Quadrangle of Mars AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey PY - 1981 DO - 10.3133/i1336 UR - https://pubs.usgs.gov/publication/i1336 ID - i1336 ER -