Region
United States
23
Utah
13
Colorado
6
Uinta Basin (Utah and Colo.)
3
Caribbean Area
2
Henry Mountains
2
Mexico, Gulf of
2
Wasatch Fault Zone (Utah and Idaho)
2
West (U.S.)
2
Wyoming
2
Alaska
1
Alberta
1
Carpathian Mountains
1
Cedar Valley (Iron County, Utah)
1
Cibola County
1
Coalville
1
Colombia
1
Cook Inlet Watershed
1
Deer Creek (Summit County, Colo.)
1
Developing countries
1
Dinosaur National Monument (Colo. and Utah)
1
Earth (Planet)
1
Germany
1
Green River Watershed (Wyo.-Utah)
1
Henry Mountains (Utah)
1
India
1
Iron County
1
Japan
1
Juab County
1
Mead, Lake, Region (Ariz. and Nev.)
1
Mississippi River Valley
1
Morgan County
1
Mormon Pioneer National Historic Trail
1
Nephi (Utah)
1
New Mexico
1
Northern Hemisphere
1
Park County
1
Piceance Creek Basin
1
Piceance Creek Basin (Colo.)
1
Rio Grande Rift
1
Rocky Mountains
1
San Rafael Swell
1
San Rafael Swell (Utah)
1
Sanpete County
1
Sevier County
1
Snake River (Colo.)
1
Southwest, New
1
Summit County
1
Taylor, Mount
1
Texas
1
more ...