p. 275

Lake Michigan
286

[the lake] or just behind it on the border of the level prairie. It then begins to diverge from the shore, and passes obliquely across a succession of ridges each resembling a turnpike in its rounded form. These ridges are wooded, while the intervals between them consist of wet marsh or level prairie. Advantage is taken of the ridges as far as possible for the course of the road. After preceeding a number of miles in a south easterly direction the road takes a south course at right angles to the coast, and runs for a distance of five miles over about fifty of these ridges. They vary from four to ten rods in width, each one, however, preserving with exact uniformity its own breadth and separated from each other by intervals of from six to forty rods. When midway between any two beaches the eye is presented in opposite directions with an almost intermediate vista, whose bounding lines of trees are perceived to be slightly curvilinear, the curvature of the ridges corresponding exactly