@book {624,
	title = {Tree-Ring Dates from Arizona H-I Flagstaff Area},
	year = {1975},
	publisher = {University of Arizona},
	organization = {University of Arizona},
	address = {Tucson},
	keywords = {date, dates, dendrochronology, Flagstaff, southwest, tree ring},
	author = {Robinson, William J. and Harrill, Bruce G. and Warren, Richard L.}
}
@book {623,
	title = {Tree-Ring Dates from Colorado V Mesa Verde Area},
	year = {1974},
	publisher = {University of Arizona},
	organization = {University of Arizona},
	address = {Tucson},
	keywords = {colorado, date, dendrochronology, mesa verde, southwest, tree ring},
	author = {Robinson, William J. and Harrill, Bruce G.}
}
@book {622,
	title = {Tree-Ring Dates from New Mexico B Chaco-Gobernador Area},
	year = {1974},
	publisher = {University of Arizona},
	organization = {University of Arizona},
	address = {Tucson},
	keywords = {Chaco, date, dendrochronology, Gobernador, new mexico, southwest, tree ring},
	author = {Robinson, William J. and Harrill, Bruce G. and Warren, Richard L.}
}
@book {621,
	title = {Tree-Ring Dates from New Mexico J-K,P,V Santa Fe-Pecos-Lincoln Area},
	year = {1973},
	publisher = {University of Arizona},
	organization = {University of Arizona},
	address = {Tucson},
	keywords = {date, dendrochronology, Lincoln, new mexico, Pecos, Santa Fe, southwest, tree ring},
	author = {Robinson, William J. and Harrill, Bruce G. and Warren, Richard L.}
}
