apollo. (2026). 40Ar/39Ar and zircon U-Pb data for the Hiawatha impact structure (Kenny et al. 2022) (Version 1.0) [Data set]. Mysteries Department. https://mysteriesdept.com/datasets/DAT0D51XVKR6GQH/40ar-39ar-and-zircon-u-pb-data-for-the-hiawatha-impact