1. Geologic map of the Black Hills area, South Dakota and Wyoming Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading
2. Geologic map of the Craters of the Moon, Kings Bowl, and Wapi Lava Fields, and the Great Rift Volcanic Rift Zone, south-central Idaho Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading
3. Geologic map of Cape Cod and the Islands, Massachusetts Author/Creator: Oldale, Robert N., cartographer Publication/Creation: [Reston, Virginia] : U.S. Geological Survey, 1986 Resource Type: Map Access & Availability: Loading