A 4500-year record of large floods on the Colorado River in the Grand Canyon, Arizona
O'Connor, J.E., Ely, L.L., Wohl, E.E., Stevens, L.E., Melis, T.E., Kale, V.S., and Baker, V.R., 1994, A 4500-year record of large floods on the Colorado River in the Grand Canyon, Arizona: Journal of Geology, v. 102, no. 1, p. 1-9.