Biblio
Tree-Ring Dates From Arizona H-I Flagstaff Area. Tucson: University of Arizona.
. 1975. Robinson, William, Harrill, Bruce, Warren, Richard_Tree-Ring Dates from Arizona H-I Flagstaff Area_1975.pdf (83.21 MB)“How Tall We Are”. Coconino Sun. Coconino Sun.
. 1895. “Altitudes And Locations”. Coconino Sun. Coconino Sun.
. 1901.