McGregor, J.C., 1936, Dating the eruption of Sunset Crater: American Antiquity, v. 2, p. 15-26. Authors McGregor, J.C. Publication Date 1936 Citation American Antiquity, v. 2, p. 15-26. State AZ Province CP County CN Placenames San Francisco Volcanic Field Keywords Geochronology Volcanic Volcanology More Keywords Geochronology, Volcanic, Volcanology, AzGeoBib RefNum 6674