Till, A. B., Yount, M. E., and Bevier, M. L., 1994, The geologic history of Redoubt Volcano, Alaska: in Miller, T. P. and Chouet, B. A., (eds.), The 1989-1990 eruptions of Redoubt Volcano, Alaska, Journal of Volcanology and Geothermal Research, v. 62, n. 1, p. 11-30.