0 200 400 mi
0 200400 km
0 50 100 mi
050 100 km
CALIFORNIA
ARIZONA
ALASKA
HAWAII
NEW MEXICO
TEXAS
OKLAHOMA
KANSAS
NEBRASKA
COLORADO
WYOMING
MONTANA
NORTH
DAKOTA
SOUTH
DAKOTA
UTAH
OREGON
WASHINGTON
IDAHO
NEVADA
Los Angeles
Bakersfield
Fresno
Mesa
Tucson
Las Vegas
Stockton
San Diego
San Francisco
Sacramento
Portland
Tacoma
Seattle
Spokane
Billings
Fargo
Sioux
Falls
Salem
Boise
Helena Bismark
Pierre
Carson City
Salt Lake City
Santa Fe
Lincoln
Denver
Cheyenne
Austin
Oklahoma
City
Phoenix
Olympia
El Paso
Amarillo
ColoradoSprings
Pueblo
Lubbock
Corpus
Christi
Wichita
Fort Worth
Albuquerque
San Antonio
Anchorage
Juneau
Hawaii
Maui
Lanai
Kodiak Island
Aleutian Islands
Molokai
Kauai Oahu
Honolulu
PACIFIC
OCEAN
PACIFIC
OCEAN
ARCTIC OCEAN
Gulf of
Bering Alaska
Sea
Beri
ng
St
ra
it
MEXICO
CANADA
RUSSIA
Co
lum
biaR.
Sn
akeR.
Co
lor
adoR
.
Rio
Gr
an
de
MissouriR.
ArkansasR.
Mi
ss
ouriR.
Bra
zosR.
NN
Great
Salt Lake
YukonR.
C
O
A
S
T
A
L
R
A
N
G
E
S R O C K Y M O U N T A I N S
S I E R R A N E V A D A
PRESENT DAY UNITED STATES