Letter
|
#
|
Rivers
|
A
|
3
|
Arkansas, Allegheny, Alabama
|
B
|
10
|
Brazos, Bighorn, Big Sioux, ...
|
C
|
15
|
Colorado, Columbia, Canadian, ...
|
D
|
4
|
Des Moines, Delaware, Duck, ...
|
E
|
2
|
Elkhorn, Edisto
|
F
|
1
|
Flint
|
G
|
5
|
Green, Gila, Green, ...
|
H
|
2
|
Humboldt, Hudson
|
I
|
4
|
Innoko, Iditarod, Iowa, ...
|
J
|
3
|
James, James, John Day
|
K
|
7
|
Kuskokwim, Kootenai, Koyukuk, ...
|
|
Letter
|
#
|
Rivers
|
L
|
6
|
Little Missouri, Little Colorado, Licking, ...
|
M
|
5
|
Missouri, Mississippi, Milk, ...
|
N
|
14
|
North Platte, Niobrara, Neosho, ...
|
O
|
6
|
Ohio, Ouachita, Ogeechee, ...
|
|
8
|
Pecos, Porcupine, Pearl, ...
|
R
|
6
|
Rio Grande, Red (South), Red (North), ...
|
S
|
22
|
Snake, St. Lawrence, Sheyenne, ...
|
T
|
6
|
Trinity, Tennessee, Tanana, ...
|
V
|
1
|
Verdigris
|
W
|
8
|
White, White, Wabash, ...
|
Y
|
3
|
Yukon, Yellowstone, Yampa
|
|