1. Beget, J. E., 1979, Late Pleistocene and Holocene pyroclastic flows and lahars at Glacier Peak, Washington: Geol. Soc. Amer. Abstr. Prog., v. 11, p. 68.
2. , 1980, Eruptive history of Glacier Peak volcano, Washington state: Geo. Soc. Amer. Abstr. Prog. v. 12, p. 384.
3. --, 1981, Postglacial eruption history and volcanic hazards at Glacier Peak, Washington: unpublished Ph.D. thesis, University of Washington, 192 p.
4. , 1982, Recent volcanic activity at Galcier Peak: Science, v. 215, p. 1389–1390.
5. Carithers, W., 1946, Pumice and pumicite occurrences of Washington: Washington Division of Mines and Geology Report of Investigations 15, 78 p.