1. Magnetostratigraphy of the San Francisco volcanic field, Arizona Author/Creator: Tanaka, Kenneth L. Publication/Creation: Washington : U.S. G.P.O. ; Denver, CO : For sale by the Books and Open-File Reports Section, U.S. Geological Survey, 1990 Resource Type: Book Access & Availability: Loading
2. Map showing compilation of isotopic ages of Cenozoic rocks in the Reno 1° x 2° quadrangle, Nevada and California Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading
3. Map showing distribution, composition, and age of early and middle Cenozoic volcanic centers in Colorado and Utah Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading
4. Map showing distribution, composition, and age of early and middle Cenozoic volcanic centers in Idaho, Montana, west-central 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
5. Map showing late Cenozoic extensional tilt patterns and associated structures in Sonora and adjacent areas, Mexico Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by U.S. Geological Survey, Map Distribution Resource Type: Map Access & Availability: Loading
6. Maps showing distribution, composition, and age of early and middle Cenozoic volcanic centers in Arizona, New Mexico, and west Texas Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading
7. Marion Peak quadrangle, Fresno County, California--analytic data Author/Creator: Moore, James Gregory, 1930- Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : For sale by the Books and Open-File Reports Section, U.S. Geological Survey, 1991 Resource Type: Book Access & Availability: Loading
8. Middle Cenozoic floras of western North America Publication/Creation: [Washington] : Carnegie institution of Washington, 1936 Resource Type: Book Access & Availability: Loading