Clague, J. J., Evans, S. G., Rampton, V. N., and Woodsworth, G. J., 1995, Improved age estimates for the White River and Bridge River tephras, western Canada: Canadian Journal of Earth Sciences [Journal Canadien des Sciences de la Terre], v. 32, p. 1172-1179.
Citation Updated: 2015-06-17 23:30:58