Franseen, Evan K. “Mississippian (Osagean) Shallow-Water, Mid-Latitude Siliceous Sponge Spicule and Heterozoan Carbonate Facies: An Example from Kansas With Implications for Regional Controls and Distribution of Potential Reservoir Facies”. Bulletin (Kansas Geological Survey), no. 252 (January 1, 2002): 1–23. Accessed January 3, 2026. https://journals.ku.edu/kgsbulletin/article/view/20383.