These paintings were photographed by Prof . William McAdams and were to be placed in his book " Records of Ancient Races in the Mississippi Valley : being an account of some of the pictographs, sculptured hieroglyphs, symbolic devices, emblems and traditions of the prehistoric races of America, with some suggestions as to their origin ", William McAdams, C . R . Barns Publishing Co ., 1887 . { available on Google Books }.
