Emslie, S.D., 1987, Age and diet of fossil California condors in Grand Canyon, Arizona: Science, no. 237, no. 4816, p. 768-770. Authors Emslie, S.D. Publication Date 1987 Citation Science, no. 237, no. 4816, p. 768-770. State AZ Province TR CP County MO CN Keywords Paleontology Vertebrate Quaternary Pleistocene Holocene More Keywords Paleontology, Vertebrate, Quaternary, Pleistocene, Holocene, AzGeoBib RefNum 13562