TY - RPRT TI - Controlled photomosaic and revised shaded relief map of the Elysium Quadrangle of Mars AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey PY - 1988 DO - 10.3133/i2008 UR - https://pubs.usgs.gov/publication/i2008 ID - i2008 ER -