531
A P P E N D I X
C
A P P E N D I X C
Landforms of the Conterminous
United States
I
n
t
e
r
io
r
I
n
t
e
r
io
r
M
o
u
n
ta
in
s
M
o
u
n
ta
in
s
and and
P
la
te
a
u
s
P
la
te
a
u
s
Pacific Pacific
B
o
rd
e
r
B
o
rd
e
r
Lower
Lower
California California
Basin Basin
and and
Range Range
Columbia Columbia
Plateau
Plateau
Rocky Rocky
Mountains Mountains
Colorado Colorado
Plateau Plateau
G r e a t
G r e a t
P la in s
P la in s
G r e a t
G r e a t
P la in s
P la in s
Wyoming Wyoming
Basin Basin
C e n tr a l
C e n tr a l
Lowland Lowland
O z a r k
P l a t e a u
O z a r k
P l a t e a u
Ouachita Ouachita
Coastal Coastal
Plain Plain
Superior Superior
Upland Upland
L o w P la te a u s
L o w P la te a u s
In te r io r
In te r io r
A p p a la c h ia n
A p p a la c h ia n
P la t e a u
P la t e a u
V a ll e y
V a ll e y
a n d
a n d
R id g e
R id g e
B l u e
R i d g e
B l u e
R i d g e
P i e d m
o n t
P i e d m
o n t
P l a t e a u
P l a t e a u
C
o a s t a l
C
o a s t a l
P l a i n
P l a i n
Adirondack Adirondack
N e w
N e w E n g la n d
E n g la n d
I
n
t
e
r
io
r
M
o
u
n
ta
in
s
and
P
la
te
a
u
s
Pacific
B
o
rd
e
r
Lower
California
Basin
and
Range
Columbia
Plateau
Rocky
Mountains
Colorado
Plateau
G r e a t
P la in s
G r e a t
P la in s
Wyoming
Basin
C e n tr a l
Lowland
O z a r k
P l a t e a u
Ouachita
Coastal
Plain
Superior
Upland
L o w P la te a u s
In te r io r
A p p a la c h ia n
P la t e a u
V a ll e y
a n d
R id g e
B l u e
R i d g e
P i e d m
o n t
P l a t e a u
C
o a s t a l
P l a i n
Adirondack
N e w E n g la n d
0
200
400
600
800 Miles
0
200
400
600
800
1000 Kilometers
FIGURE C.1 Outline map showing major physiographic provinces of the United States.