1. A chemical study of the fumaroles of the Katmai region;Allen,1923
2. The glacial history of an extinct volcano, Crater Lake National Park;Atwood;J. Geol.,1935
3. Eruptive history of Mount Mazama and Crater Lake caldera, Cascade Range, U.S.A.;Bacon;J. Volcanol. Geotherm. Res.,1983
4. Geologic map of Mount Mazama and Crater Lake Caldera, Oregon, U.S. Geological Survey Scientific Investigations Map 2832, 4 Sheets, Scale 1:24,000;Bacon,2008
5. Eruptive history and geochronology of Mount Mazama and the Crater Lake region, Oregon;Bacon;Geol. Soc. Am. Bull.,2006