BUCHANAN, R.C. "To Bring Together, Correlate, and Preserve" - A History of the Kansas Geological Survey, 1864-1989. Bulletin (Kansas Geological Survey), [S. l.], n. 227, p. 1–96, 1989. DOI: 10.17161/kgsbulletin.no.i227.22275. Disponível em: https://journals.ku.edu/kgsbulletin/article/view/22275. Acesso em: 6 apr. 2025.