on the surface of the earth—the course of many of our roads, canals, and railways. That he found the points of least resistance across our great mountain ranges there can be little doubt. It is certain that he discovered Cumberland Gap and his route through that pass in the mountains has been accepted as one of the most important on the continent. It is also obvious that the buffalo found the course from Atlantic waters to the head of the Great Kanawha, and that he opened a way from the Potomac to the Ohio. How important these strategic points are now considered is evident from the fact that a railway crosses the mountains at each of them; the New York Central, the Baltimore and Ohio, the Pennsylvania, and the Chesapeake and Ohio cross the first great divide in the eastern portion of our country on routes selected centuries ago by the plunging buffalo. One of the most interesting of specific examples of a railway following an ancient highway of buffalo and Indian is to be found on the Baltimore and Ohio Southwestern railway line between Grafton and Parkersburg. While searching for the old highway from the Monongahela to
