LUDVIGSON, Greg A.; SAWIN, Robert S.; FRANSEEN, Evan K.; WATNEY, W. Lynn; WEST, Ronald R.; SMITH, Jon J. A Review of the Stratigraphy of the Ogallala Formation and Revision of Neogene (“Tertiary”) Nomenclature in Kansas. Current Research in Earth Sciences, [S. l.], n. 256, p. 1–9, 2009. DOI: 10.17161/cres.v0i256.11812. Disponível em: https://journals.ku.edu/cres/article/view/11812. Acesso em: 13 dec. 2024.