1949. Divisions of the Pennsylvanian system in Kansas. Bull. Kansas Geol. Survey, 83:1-203, 37 Figs. MOORE, R. C., FRYE, J. C., JEWETT, J. M., LEE, W., and O'CONNER, H. G. 1951. The Kansas rock column. Bull. Kansas Geol. Survey, 89:1-132, 52 Figs.