 A number of other Maine lakes, such as South Twin Lake, are described by Thoreau in "The Maine Woods" (1864).Mount Katahdin is both the northern terminus of the Appalachian Trail, which extends southerly to Springer Mountain, Georgia, and the southern terminus of the new International Appalachian Trail which, when complete, will run to Belle Isle, Newfoundland and Labrador.Machias Seal Island and North Rock, off the state's Downeast coast, are claimed by both Canada and the American town of Cutler, and are within one of four areas between the two countries whose sovereignty is still in dispute, but it is the only one of the disputed areas containing land.