Supplemental Material: Incision history of the Verde Valley region and implications for uplift of the Colorado Plateau (central Arizona)

Geosphere, August 2018, v. 14, p. 1690-1709, doi:10.1130/GES01640.1, Supplemental Figures. Age spectrum plots of Ar/Ar ages throughout the step heating. Magenta steps were included in plateau age calculation, cyan steps were rejected.