Rock movement and mass wastage in the Grand Canyon, Chap. 19, in Beus, S.S., and Morales, Michael, eds., Grand Canyon geology

Hereford, Richard, and Huntoon, P.W., 1990, Rock movement and mass wastage in the Grand Canyon, Chap. 19, in Beus, S.S., and Morales, Michael, eds., Grand Canyon geology: New York, Oxford University Press, p. 443-459.