Adirondack River, N. Y., one of the head
branches of the Hudson, rises in the Adirondack
Mountains, in Essex co. It is about 20 miles in
length, and passes through Lakes Henderson and
Sanford, two small sheets of water surrounded by
picturesque scenery, and immense beds of iron
ore, and elevated 1900 feet above the Atlantic.

Admiralty Met, On. An irregular body of
water, extending S. from the Straits of Juan de
Fuca.

Agamenticus Mountain, Me., consists of three
elevations, situated in the town of York, about 4
miles from the sea, and is a noted landmark for
seamen. The highest summit is 673 feet above
the ocean. It is said that St. Aspinquid died on
this mountain in 1682, and that the Indians sac-
rificed 6711 wild animals at his funeral.

Agate Harbor, Houghton co., Mn. Situated on
the N. coast of Keewaiwona Point, W. from
Copper Harbor.

Agnew River, As., rises in the E. part of Pulas-
ki co., and flowing S. E., enters White River in
Arkansas co.

Aguila Creek, Ts., flows S-, and empties into
Brazos River, between Nolands and Big Creeks.

Ahmie River, Dodge co., Wn. A head branch
of the W. fork of Rock River.

Ahneepee River, Brown co., Wn. A small
stream flowing S. E. into Lake Michigan.

Aitkin Lake, Ma. A small sheet of water ly-
ing N. from Sandy Lake, with which it is connect-
ed by an outlet.

Akkik or Kettle River, Ma. and Wn. It rises
in the W. part of La Pointe co., Wn., flows S.
S. W. into Ma., and empties into the St. Louis
River.

Alabama River. This river is formed by the
junction of the Coosa and the Tallapoosa, and
flowing S. S. W., unites with the Tombigbee, 48
miles above Mobile Bay, and after the junction
has the name of Mobile River. It is navigable at
all seasons for vessels requiring 6 feet of water,
from the junction, 60 miles, to Claiborne. From
Claiborne, 150 miles, to the mouth of the Cahaw-
ba, the river has 4 or 5 feet of water. From the
mouth of the Cahawba to the junction of the
Coosa and Tallapoosa, its head branches, the
river affords, in all places, 3 feet of water. The
river is subject to great changes by rising and
falling.

Alachua Savanna, Alachua co., Fa., is a marshy
plain, which is supposed to discharge its waters
by an underground passage into Lake Orange.

Alatamaha River and Sound, Ga. The river is
formed by the union of the Ockmulgee and the
Oconee. After the junction, the Alatamaha be-
comes a large river, flowing with a gentle current
upwards of 100 miles, and enters by several out-
lets into Alatamaha Sound, 60 miles S. W. of
Savannah, through which it passes into the At-
lantic. This sound contains a number of beau-
tiful islands. The Alatamaha is navigable on the
Oconee branch, 300 miles from the ocean, for
boats of 300 tons, and for steamboats to Milledge-
ville, and to an equal distance on the Ockmulgee
branch. The bar at the mouth has 19 feet at low
water. The whole length of the river to its source
is about 500 miles.

Albemarle Sound, N. C., is a large inlet from the
sea, in the N. E. part of the state. It extends 60
miles from E. to W., and is from 4 to 15 miles
wide. It receives the Chowan, Roanoke, and sev-
eral smaller rivers. It communicates with Pam-
lico Sound and the ocean by several narrow
inlets, and with Chesapeake Bay by a canal
through the Dismal Swamp.

Albert Lake, Ma. Situated near the Sioux
River, and W. from Lake Poinsett.

Albert'Lake, On., lies S. E. from Summer Lake.

Albert Lea Lake, Iowa. This lake is situated
on the N. border of the state, and is the source
of Shell Rock Creek.

Alden's Hill, Ms. Situated in the town of Mid-
dle bo rough.

Alleghany or Appalachian Mountains reach from
the Catskill Mountains, in the state of N. Y., their
most elevated part, to Ga., forming a range of
great length, and from 50 to 200 miles in breadth.
The course of this great chain is nearly parallel
with the Atlantic, and from 50 to 130 miles dis-
tant from it, and consists of a number of parallel
ridges, denominated the Blue Ridge, North
Mountain, Jackson's Mountain, Laurel Moun-
tain, Cumberland Mountains, &c. These moun-
tains, for the most part, are not over 2500 feet
high, and they divide the waters which flow into
the Atlantic on the E. from those which flow into
the Mississippi and the lake's to the N. and W.
These ridges are generally wooded to the top, and
between the ridges are often valleys of fertile land,
though the country among them is generally rocky
and rough. They are composed of granite, gneiss,
mica and clay slate, primitive limestone, &c.

Alleghany River. The head branches of this
river water Potter co., Pa. It then enters N. Y.
in the S. E. part of Cattaraugus co., through
which it runs 45 miles in a circuitous course, after
which it reenters Pa., and unites "with the Monon-
gahela to form the Ohio, at Pittsburg. The river
is navigable, for boats of small draught of water,
from the village of Olean, Cattaraugus co., to its
entrance into the Ohio, a distance of 230 miles.
Its entire length is 300 miles.

Allemande, Lake, La., lies S. from the Missis-
sippi River, and N. W. from Lake Washa, into
which it discharges its waters.

Allen's Creek, an important mill stream, rises
in Wyoming co., N. Y., flows through the E. part
of Genesee into Monroe co., in the S. part of
which it enters Genesee River.

Allen's Point, Vt., is the southern extremity of
Grand Isle, in the township of South Hero, and
takes its name from one of the early settlers.

Alliguash River, Piscataquis co., Me., is fed by
a great number of small ponds, flows in a N. direc-
tion, and empties into the St. John's River.

Alligator River, N. C. This river rises in a lake
of the same name, in Hyde, flows N. N. E., and
empties into Albemarle Sound.

Atknvays Creek rises in Salem co., N. J., and
falls into the Delaware River, 6 miles S. of
Salem. It is 20 miles long, and navigable 12
miles for boats.

Alluvial Way, or Ridge Road, N. Y. This cu-
rious formation of nature extends from the Gen-
esee River, near Rochester, to the Niagara River,
near Lewiston,—a distance of about 80 miles,—
is of considerable height, and about 8 rods in
width. It is composed of sand and gravel stones,
and is supposed by many to have once been the
shores of Lake Ontario, from which it is now dis-
tant about 10 miles.

Almirante River, Fa., falls into Pensacola Bay.

Altoyac Creek, Ts., flows in a southerly direc-
tion, and empties into Angelina River.

Alum Creek, O., is the W. branch of the Big