Mesozoic and Cenozoic strata of the Colorado Plateau near the Grand Canyon, Chap. 13, in Beus, S.S., and Morales, Michael, eds., Grand Canyon geology
Morales, Michael, 1990, Mesozoic and Cenozoic strata of the Colorado Plateau near the Grand Canyon, Chap. 13, in Beus, S.S., and Morales, Michael, eds., Grand Canyon geology: New York, Oxford University Press, p. 247-260.