HEDKE, Dennis E.; WOOLSEY, I. Wayne; NICHOLSON, L. A. Exploration Case History, Coats South Area, Barber County, Kansas. Bulletin (Kansas Geological Survey), [S. l.], n. 237, p. 132–137, 2024. Disponível em: https://journals.ku.edu/kgsbulletin/article/view/20435.. Acesso em: 3 jul. 2024.