Agenbroad, L.D., and Mead, J.I., 1989, Quaternary geochronology and distribution of Mammuthus on the Colorado Plateau: Geology, v. 17, no. 9, p. 861-864.
Agenbroad, L.D., and Mead, J.I.
Geology, v. 17, no. 9, p. 861-864.
Geobiology, Paleoecology, Paleontology, Vertebrate, Quaternary, Pleistocene, Holocene,