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Field Guides

Scott, W. E. & Gardner, C. (1990). Field Trip Guide to the Central Oregon High Cascades, Part I: Mount Bachelor-South Sister Area. Oregon Geology , 52, pp. 99-117.


Scott, W. E. & Gardner, C. (1992). Geologic map of the Mount Bachelor volcanic chain and surrounding area, Cascade Range, Oregon. U.S. Geological Survey Miscellaneous Investigations Map , I-1967

USGS General Publication

Hildreth, W. (2007). Quaternary Magmatism in the Cascades - Geologic Perspectives. U.S. Geological Survey Professional Paper , 1744, 125 p.