Note 1777 — Chapter VI · (continued 3)
Reading edition
T. H. Lewis in Science, v. 131; vi. 453. On other Iowa mounds, see Smithsonian Rept., by J. B. Cutts (1872); by M. W. Moulton (1877), and again (1879); Annals of Iowa, vi. 121; and W. J. McGee in Amer. Journal Science, cxvi. 272.