1. Geologic map of Io Author/Creator: Geological Survey (U.S.) Publication/Creation: Reston, VA : U.S. Geological Survey, 1992 Resource Type: Map Access & Availability: Loading
2. 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