1. USA: Physical
50°N 50°N
125°W 120°W 115°W 110°W 105°W 100°W 95°W 90°W 85°W 80°W 75°W 70°W
N
45°
Superior
ke
La
La
k
rio
e
nta
Hu
Michigan
O
ke
ron
La
40°N
rie
eE
Lake
L ak
35°N
ATLANTIC
OCEAN
PACIFIC
N
OCEAN 30°N
E
W
S
70°
N
LEGEND 25°N
160°W 156°W
Gulf of
60°
N
National boundary Mexico
22°N
State boundary
Bering Mountains
Sea
Rivers n cer
Gulf of Alaska of Ca
Tropic
km 0 250 500 20°N
km 0 100 200 km 0 125 250
50°N mi 0 250 500 mi 0 125 250
160°W 140°W
mi 0 100 200