Reference
Gangopadhyay, S., Woodhouse, C. A., McCabe, G. J., Routson, C. C., & Meko, D. M. (2022). Tree Rings Reveal Unmatched 2nd Century Drought in the Colorado River Basin. Geophysical Research Letters, 49(11), e2022GL098781. https://doi.org/10.1029/2022GL098781