Emslie, S.D., 1987, Age and diet of fossil California condors in Grand Canyon, Arizona: Science, v. 237, p. 768-770. Authors Emslie, S.D. Publication Date 1987 Citation Science, v. 237, p. 768-770. State AZ Province CP County CN Keywords Paleontology Vertebrate Paleoecology More Keywords Paleontology, Vertebrate, Paleoecology, AzGeoBib RefNum 3080