DAVIS , Stanley N. Studies of Pleistocene Gravel Lithologies in Northeastern Kansas. Bulletin (Kansas Geological Survey), [S. l.], n. 90, p. 196–206, 1951. DOI: 10.17161/kgsbulletin.no.90.22040. Disponível em: https://journals.ku.edu/kgsbulletin/article/view/22040. Acesso em: 6 apr. 2025.