World Atlas 2010 (4th edition)

24

ABCD

1

2

4

5

3

ABCD

26

19

27

28

NORTH AMERICA

USA: Central States

Black

Hills

B

ig

h

or

n

M

ts

.

R o c k y M o u n t a i n s

Fort Peck L.

L. Sakakawea

Great

Salt Lake

L. Powell

Missouri

Yellowst

on

e

Po

w

de

r

Co

lo

ra

do

N.

(^) Pl
atte
Arkansa
s
MONTANA NORTH
COLORADO
UTAH
WYOMING
NEB

SOUTH

IDAHO

NEVADA

ARIZONA

NEW MEXICO

WASHINGTON

OREGON

SASKATCHEWAN

ALBERTA

BRITISH

COLUMBIA

TEXAS

CALIFORNIA

Lakewood Aurora

Colorado Springs

Pueblo

Missoula

Great Falls

Butte Bozeman

Billings

Miles City

Glendive

Havre

Kalispell

Dickinson

Williston

Minot

Durango

Grand

Junction

Boulder

Fort Collins

Orem

Provo

Ogden

Richfield

Laramie

Rock

Springs

Casper

Sheridan

Gillette

Scottsbluff

Rapid City

Malta

Ogallala

Torrington

DENVER

SALT LAKE

CITY

HELENA

CHEYENNE

The Great Salt Lake is a remnant of the

prehistoric Lake Bonneville, which once

covered almost 20,000 square miles

(51,800 sq km) of western Utah.

The world’s largest

known organism is a

100 acre (43 hectare)

grove of aspen trees

in Utah. Derived from

a single tree, it contains

over 47,000 stems

and weighs over

6000 tons (tonnes).

At 20,016 ft (6104 m),

or almost 4 miles (6 km)

in length, the Fort Peck

Dam is the largest earth-

filled hydraulic dam in

the United States.