31. Controlled photomosaic of the MTM -20252 quadrangle, Tyrrhena Patera Region of Mars Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading
32. Geologic map of the Lerna Region (Ji-4) of Io Author/Creator: Geological Survey (U.S.) Publication/Creation: Reston, Va. : The Survey, 1991 Resource Type: Map Access & Availability: Loading