Region
Utah
Salt Lake County
4
Colorado
3
Nevada
3
Arizona
2
New Mexico
2
Emery County
1
Grand County
1
Great Basin
1
Hopi Indian Reservation
1
Idaho
1
Juab County
1
Milford Region
1
Millard County
1
Navajo Indian Reservation
1
Navajo Sandstone
1
Piute County
1
Price River Watershed
1
San Juan County
1
Sevier County
1
Snake Valley (Utah and Nev.)
1
Southwest, New
1
Uinta Basin (Utah and Colo.)
1
Uintah County
1
Vernal
1
Wasatch Plateau
1
Wasatch Range (Utah and Idaho)
1
Wayne County
1