1. Map showing outcrops of basaltic rocks of early quaternary and tertiary age, basin and range province, Nevada Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Denver, Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Resource Type: Map Access & Availability: Loading
2. Map showing outcrops of basaltic rocks of early quaternary and tertiary age, basin and range province, Southern California Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Denver, Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Resource Type: Map Access & Availability: Loading
3. Map showing outcrops of granitic rocks, basin and range province, Nevada Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Denver, Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Resource Type: Map Access & Availability: Loading
4. Map showing outcrops of pre-quaternary ash-flow tuff and laharic breccia, basin and range province, New Mexico Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Denver, Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Resource Type: Map Access & Availability: Loading
5. Map showing outcrops of pre-quaternary ash-flow tuffs and volcani-clastic rocks, basin and range province, Nevada Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Denver, Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Resource Type: Map Access & Availability: Loading
6. Map showing outcrops of pre-quaternary ash-flow tuffs and volcaniclastic rocks, basin and range province, Utah Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Denver, Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Resource Type: Map Access & Availability: Loading