Beus, S.S., and Nations, J.D., 1974, A Pleistocene gravel deposit near Grand Falls, Arizona: Arizona Academy of Science, Journal, v. 9, p. 36-40.
Beus, S.S., and Nations, J.D.
Arizona Academy of Science, Journal, v. 9, p. 36-40.
Invertebrate, Fossil Plant, Vertebrate, Sedimentary Structure, Fluvial Sedimentary, Sedimentary Petrology,
