Original published in D.F. Merriam, ed., 1964, Symposium on cyclic sedimentation: Kansas Geological Survey, Bulletin 169, pp. 415-425

Figure 3--Power spectra for Lansing Group wells shown in Figure 2: (1) Saturn No. 1 Stone; (2) Sutton No. 1 Gish; (3) Kewanee No. 1 Ferry; (4) Gross No. 7 Seward; (5) Holley No. 27 Ferrell; (6) Gralapp & Everly No. 1 Ellis; (7) Marts No. 1 "A" Smith; (8) Royal No. 1 Fox.