Regarding the 1064-1065 CE eruption of the volcano at Sunset Crater in Arizona (north of Flagstaff): "Talking with a Volcano: Native American Perspectives on the Eruption of Sunset Crater, Arizona" https://www.academia.edu/71652884/Talking_with_a_Volcano_Native_American_Perspectives_on_the_Eruption_of_Sunset_Crater_Arizona and "Sunset Crater and LIttle Springs Volcano Eruptions: Disaster Management in the Eleventh Century AD Southwest" https://www.researchgate.net/publication/282131214_Sunset_Crater_and_Little_Springs_Volcano_Eruptions_Disaster_Management_in_the_Eleventh_Century_AD_Southwest