Books
Wood, C. A. & Kienle, J. (Eds.) (1992). Volcanoes of North America., ISBN-13: 978-0521438117, 364 pp.
Geologic Maps
Nimz, K., Ramsey, D. W., Sherrod, D. R. & Smith, J. G. (2008). Database for the Geologic Map of Upper Eocene to Holocene Volcanic and Related Rocks of the Cascade Range, Oregon. U.S. Geological Survey Data Series , 213
Sherrod, D. R. & Smith, J. G. (2000). Geologic Map of Upper Eocene to Holocene Volcanic and Related Rocks of the Cascade Range, Oregon. U.S. Geological Survey Scientific Investigations Map , 2569, 17 p., 2 sheets.
Walker, G. W., Peterson, N. V. & Greene, R. C. (1967). Reconnaissance geologic map of the east half of the Crescent quadrangle, Lake, Deschutes, and Crook Counties, Oregon. U.S. Geological Survey Miscellaneous Investigations Map , 493 http://ngmdb.usgs.gov/Prodesc/proddesc_1708.htm