Region
Utah
United States
10
Colorado
6
Paradox Formation
5
Grand Staircase-Escalante National Monument (Utah)
4
Arches National Park (Utah)
2
Arizona
2
Flaming Gorge Reservoir (Wyo. and Utah)
2
Grand Staircase-Escalante National Monument
2
New Mexico
2
Wasatch Range
2
Wasatch Range (Utah and Idaho)
2
Wasatch, Monts (Utah et Idaho)
2
Arches National Park
1
Canyonlands National Park (Utah)
1
Carbon
1
Carbon County
1
Colorado Plateau
1
Colorado Plateau Region
1
Green River Watershed (Wyo.-Utah)
1
Honaker Trail Formation
1
Kane
1
Kane County
1
La Sal Mountains
1
Marysvale Region
1
Paradox Basin
1
Paria-Hackberry Wilderness
1
Paria-Hackberry Wilderness (Utah)
1
Saint George
1
Saint George (Utah)
1
San Francisco Mining District (Utah)
1
San Juan Basin
1
San Juan Basin (N.M. and Colo.)
1
San Juan, Bassin (N.-M. et Col.)
1
Wasatch Plateau
1
West (U.S.)
1
White Rim Sandstone
1
White Rim Sandstone (Utah)
1
Wyoming
1