Huntoon, P.W., 1975, The Surprise Valley landslide and widening of the Grand Canyon: Plateau, v. 48, nos. 1 - 2, p. 1-12.
Huntoon, P.W.
Plateau, v. 48, nos. 1 - 2, p. 1-12.
Debris Flow, Landslide, Geomorphology, Bright Angel Shale - Tonto Group - Cambrian, Redwall Limestone - Mississippian,
