588    RIVERS IN NEW-HAMPSHIRE.

the Contoocook near the line between the latter town and Antrim.
Warner river, a considerable stream, becomes a tributary of the
Contoocook in Hopkinton, and flows from New London, Sutton,
Newbury, Bradford, Warner and Hopkinton. Two miles farther
east it receives the waters of the Blackwater, having its source in
the towns of Springfield, Wilmot, Danbury and New London, and
in its course receives numerous streams flowing from Andover,
Salisbury, Webster and Boscawen.

The waters which form the C mtoocook flow from a part or whole
of thirty-two different towns, parts of five different counties, and
drain a surface of territory comprising au area of nearly 470,000
acres, or 734 square miles. With its tributaries its waters turn
about 270 water-wheels, having a horse ‘power of 5,976. Nearly
one half of its available water power is still unimproved. From its
highest source, at Harrisville, to its mouth it has a descent of over
eight hundred feet.

dustin’s island.

Near the mouth of the Contoocook is Dustin’s Island, celebrated
as the spot where Mrs. Hannah Dustin, in March, 1697, destroyed
ten Indians. A fine and expensive granite monument is being
erected here to the memory of Mrs. Dustin and her valorous deed.

Cocheco River takes its rise in several small streams in New
Durham which unite in Farmington, whence it flows iu an easterly
and southerly direction through Rochester, there receiving as a
tributary the Isinglass river flowing from Long pond in Barrington
and Bow lake in Strafford; thence passing through Dover it joins
the Salmon Falls river, the principal branch of the Piscataqua.
Its waters come from parts of nine towns, and together with its
tributaries, it furnishes some excellent water power, amounting to
about 1,500 improved horse power.

Dead River.—See Dimond River.

Dirnond River has its principal sou"ce in Dimond pond, in the
easterly part of Stewartstown; thence flowing easterly through
Dixville and Dartmouth College Grant; receiving, in its passage,
several tributaries, it joins Dead river and crosses Maine line into
the Magalloway.

Ellis River has its rise on the eastern and southern side of the
White Mountains, and, passing southerly through Jackson, it falls
into the Saco, in Bartlett. In Jackson it receives several consid-