Geological Survey Professional Paper 669 The Colorado River Region and John Wesley Powell

Langbein, W. B., and Leopold, L. B., 1968, River channel bars and dunes—theory of kinematic waves: U.S. Geol. Survey Prof. Paper 422—L, 20 p.

Leopold, L. B., and Maddock, Thomas, Jr., 1953, The hydraulic geometry of stream channels and some physiographic implications: U.S. Geol. Survey Prof. Paper 252, 57 p.

McKee, E. D., Hamblin, W. K., and Damon, P. E., 1968, K-Ar age of lava dam in Grand Canyon: Geol. Soc. America Bull., v. 79, no. 1, p. 133-136.

Powell, J. W., 1875, Exploration of the Colorado River of the West and its tributaries: Washington, D.C., U.S. Govt. Printing Office, 291 p.

Smith, W. O., Vetter, C. P., Cummings, G. B., and others, 1960, Comprehensive survey of sedimentation in Lake Mead, 1948-49: U.S. Geol. Survey Prof. Paper 295, 254 p.