1. Geologic map of the San Bernardino and Santa Ana 30ʹ x 60ʹ quadrangles, California Author/Creator: Morton, Douglas M. Publication/Creation: [Reston, Va.?] : U.S. Geological Survey, 2006 Resource Type: Map Edition: Version 1.0. Access & Availability: Loading
2. Digital geologic map of the Fawnskin 7.5' quadrangle, San Bernardino County, California Publication/Creation: [Reston, Va.?] : U.S. Dept. of the Interior, U.S. Geological Survey, 1998 Resource Type: Book Access & Availability: Loading
3. Geologic map of the Addy area, Stevens County, Washington Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Information Services Resource Type: Map Access & Availability: Loading
4. Geologic map of the Empey Mountain area, Stevens County, Washington Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Information Services Resource Type: Map Access & Availability: Loading