Region
Colorado River
Colorado River (Colo.-Mexico)
25
North America
Colorado (Col.-Mexique : Fleuve)
24
United States
13
Arizona
8
Colorado
5
Colorado River Watershed
3
Colorado River Watershed (Colo.-Mexico)
3
Colorado, Bassin du (Col.-Mexique)
3
Grand Canyon National Park
3
Hoover Dam
3
Hoover Dam (Ariz. and Nev.)
3
Hoover Dam (Ariz. et Nev.)
3
Glen Canyon National Recreation Area
2
Glen Canyon National Recreation Area (Utah and Ariz.)
2
Glen Canyon National Recreation Area (Utah et Ariz.)
2
Big Thompson (Rivière)
1
Big Thompson River
1
Brazos (Fleuve)
1
Brazos River
1
California
1
Clark
1
Clark County
1
Coconino County
1
Colorado River (Colo.-Mex.)
1
États-Unis (Nouveau Sud-Ouest)
1
Glen Canyon Dam
1
Glen Canyon Dam (Ariz.)
1
Grand Canyon National Park (Ariz.)
1
Guadalupe (Fleuve)
1
Guadalupe River
1
Gunnison (Rivière)
1
Gunnison River
1
Lava Falls Rapids
1
Lava Falls Rapids (Ariz.)
1
Lee's Ferry Historic District
1
Lees Ferry
1
Lees Ferry (Ariz.)
1
Lees Ferry Region
1
Nevada
1
New Southwest
1
Rocheuses, Montagnes
1
Rocky Mountains
1
San Juan River
1
San Juan River (Colo.-Utah)
1
Southwest, New
1
Texas
1
Trinity (Fleuve)
1
Trinity River
1