1. Geologic map of the Mount Adams volcanic field, Cascade Range of southern Washington Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : U.S. Geological Survey Information Services [distributor] Resource Type: Map Access & Availability: Loading
2. Geologic map of upper Eocene to Holocene volcanic and related rocks in the Cascade Range, Washington Author/Creator: Smith, James G., 1939- Publication/Creation: Reston, VA : U.S. Geological Survey ; Denver, CO : For sale by U.S. Geological Survey, Map Distribution, 1993 Resource Type: Map Access & Availability: Loading
3. Map showing bottom topography of the Pacific continental margin, Strait of Juan de Fuca to Cape Mendocino Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading