BRENNER , Robert L. Stratigraphy, petrology, and paleogeography of the upper portion of the Cherokee Group (Middle Pennsylvanian), eastern Kansas and northeastern Oklahoma. Bulletin (Kansas Geological Survey), [S. l.], p. 1–70, 1989. DOI: 10.17161/kgsbulletin.no.23537. Disponível em: https://journals.ku.edu/kgsbulletin/article/view/23537. Acesso em: 28 apr. 2025.