Wahlman, Gregory P., and Ronald R. West. 2010. “Fusulinids from the Howe Limestone Member (Red Eagle Limestone, Council Grove Group) in Northeastern Kansas and Their Significance to the North American Carboniferous (Pennsylvanian)-Permian Boundary”. Current Research in Earth Sciences, no. 258 (December): 1-13. https://doi.org/10.17161/cres.v0i258.11856.