UA TREE RING LAB (70 images)
The University of Arizona's Tree Ring Lab, world reknown and leader in the study of Tree Rings. The UA multi-discipline study that crosses many fields to study tree rings and to extract knowledge used in Geography, Geology, Climate Studies, Ecology, Archaeology and Anthropology, Hydrology and Arid Land Studies. No other lab in the world has the data base available here which is dead-on for dates that carbon 14 dances all around....