JEWETT, John M.; SCHOEWE, W.H.; DREYER, R.M.; FRYE, John C.; KEROHER, R.P.; KINNEY, E. D.; PLUMMER, Norman D.; ROMARY, John F. Kansas Mineral Resources for Wartime Industries / with other chapters. Bulletin (Kansas Geological Survey), [S. l.], n. 41, p. 73–180, 1942. Disponível em: https://journals.ku.edu/kgsbulletin/article/view/21923.. Acesso em: 25 jun. 2024.