@book {875,
	title = {Expanded Tree-Ring Chronologies for the Southwestern United States},
	series = {Chronology Series III},
	year = {1978},
	publisher = {Laboratory of Tree-Ring Research},
	organization = {Laboratory of Tree-Ring Research},
	address = {Tucson},
	keywords = {Archaeology, chronologies, dendrochronology, southwest, southwestern, tree ring, united states},
	author = {Dean, Jeffrey S. and Robinson, William J.}
}
@book {617,
	title = {Tree-Ring Dates from Colorado W Durango Area},
	year = {1975},
	publisher = {University of Arizona},
	organization = {University of Arizona},
	address = {Tucson},
	keywords = {Archaeology, colorado, date, dendrochronology, durango, tree ring},
	author = {Dean, Jeffrey S.}
}
