TY - RPRT TI - Revised shaded relief map and controlled color photomosaic of the Syrtis Major Quadrangle (MC-13) of Mars AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey PY - 1998 DO - 10.3133/i2484 UR - https://pubs.usgs.gov/publication/i2484 ID - i2484 ER -