Rocks, Minerals, and Geology of the Pacific Northwest is a comprehensive field guide to the region's most common and distinctive rocks, minerals, and fossil types found in the region. Each entry has color photography that shows a range of possibilities in appearance and a description of the defining physical properties and textures. Lists of minerals organized by other physical properties like habit, hardness, and cleavage are included.

• Covers Oregon and Washington
• Describes and illustrates more than 100 minerals and rocks
• 400 photographs, plus additional illustrations, tables, and maps
• Includes 40 landscape features viewable along trails in Washington and Oregon