32 ABORIGINAL MONUMENTS
The outlines of these various deposits could be distinctly traced.
3d. Below this deposit of earth, occurred a thin and even layer of fine sand, a little over an inch in thickness.
4th. A deposit of earth, as above, eighteen inches in depth.
5th. Another stratum of sand, somewhat thinner than the one above mentioned.
6th. Another deposit of earth, one foot thick; beneath which was—
7th. A third stratum of sand; below which was—
8th. Still another layer of earth, a few inches in thick- ness ; which rested on—
9th. An altar, or basin, of burned clay.
This altar was perfectly round. Its form and dimen- sions are best shown by the supplementary plan, and sec- tion A. F F, is the altar, measuring from c to d, nine feet ;
Horizontal scale of section fifteen feet, and the vertical siz feet, to the inch.
