Bunker, R.C., Farooqui, S.M., Thoms, R.E. (1982). K-Ar Dates for volcanic rocks associated with Neogene sedimentary deposits in north-central and northeastern Oregon. Isochron/West Bulletin of Isotopic Geochronology, vol. 33, p. 21-22. Edited by: Schilling, John H. Keywords: Neogene northern Oregon