Armstrong, Richard Lee, Harakal, J.E., Neill, W.M. (1980). K-Ar dating of Snake River Plain (Idaho) volcanic rocks-new results. Isochron/West Bulletin of Isotopic Geochronology, vol. 27, p. 5-10. Edited by: Schilling, John H. Keywords: Snake River Plain, Idaho Owyhee ID, Gooding ID, Elmore ID, Twin Falls ID