Sheridan, M.F., 1984, Volcanic landforms, in Smiley, T.L., Nations, J.D., Pewe, T.L., and Schafer, J.P., eds., Landscapes of Arizona - The geological story: Lanham, Md., University Press of America, p. 79-109.
Sheridan, M.F., 1984, Volcanic landforms, in Smiley, T.L., Nations, J.D., Pewe, T.L., and Schafer, J.P., eds., Landscapes of Arizona - The geological story: Lanham, Md., University Press of America, p. 79-109.
Volcanology, Landscape Evolution, Figure, Bedrock,