Mead, J.I., 1981, The last 30,000 years of faunal history within the Grand Canyon, Arizona: Quaternary Research, v. 15, p. 311-326. Authors Mead, J.I. Publication Date 1981 Citation Quaternary Research, v. 15, p. 311-326. State AZ Province CP TR County CN MO Keywords Paleontology Trace Fossil Vertebrate Cave Pleistocene Holocene More Keywords Paleontology, Trace Fossil, Vertebrate, Cave, Pleistocene, Holocene, AzGeoBib RefNum 6878