Smith JJ, Platt BF, Ludvigson GA, Sawin RS, Marshall CP, Olcott-Marshall A. Enigmatic Red Beds Exposed at Point of Rocks, Cimarron National Grassland, Morton County, Kansas: Chronostratigraphic Constraints from Uranium-Lead Dating of Detrital Zircons. CRES [Internet]. 2015 Nov. 9 [cited 2024 May 2];(261):1-16. Available from: https://journals.ku.edu/cres/article/view/11842