Page:The writings of Henry David Thoreau, v1.djvu/28

4 to the historian of Concord, for I love to quote so good authority, "rises in the south part of Hopkinton, and another from a pond and a large cedar-swamp in Westborough," and flowing between Hopkinton and Southborough, through Framingham, and between Sudbury and Wayland, where it is sometimes called Sudbury Eiver, it enters Concord at the south part of the town, and after receiving the North or Assabeth Kiver, which has its source a little farther to the north and west, goes out at the northeast angle, and flowing between Bedford and Carlisle, and through BiUerica, empties into the Merrimack at Lowell. In Concord, it is in summer from four to fifteen feet deep, and from one hundred to three hundred feet wide, but in the spring freshets, when it overflows its banks, it is in some places nearly a mile wide. Between Sudbury and Wayland the meadows acquire their greatest breadth, and when covered with water, they form a handsome chain of shallow vernal lakes, resorted to by numerous gulls and ducks. Just above Sherman's Bridge, between these towns, is the largest expanse; and when the wind blows freshly in a raw March day, heaving up the surface into dark and sober billows or regular swells, skirted as it is in the distance with alder-swamps and smoke-like maples, it looks like a