1. Balzarini, M.A., 1981, Paleoecology of Everson-age glacialmarine drifts in northwestern Washington and southwestern British Columbia: Seattle, University of Washington, M.S. Thesis, 109 p.
2. Buzas, M.A., 1965, Foraminifera from Late Pleistocene clay near Waterville, Maine: Smithsonian Miscellaneous Collections, v. 145, no, 8, p. 1–30.
3. Cockbain, A.E., 1963, Distribution of Foraminifera in Juan de Fuca and Georgia Straits, British Columbia, Canada:Cushman Foundation for Foraminiferal Research Contributions, v. 14, p. 37–57.
4. Crandell, D.R., Mullineaux, D.R., and Waldron, H.H., 1958, Pleistocene sequence in the southeastern part of the Puget Sound lowland, Washington: American Journal of Science, v. 256, p. 384–397.
5. Cushman, J.A., and Todd, Ruth, 1947, Foraminifera from the coast of Washington: Cushman Laboratory for Foraminiferal Research Special Publication, no. 21, 23 p.