Region
Utah
72
Iron County
7
Wasatch Fault Zone (Utah and Idaho)
7
Sevier County
6
Uinta Basin (Utah and Colo.)
5
Washington County
5
Grand County
4
Salt Lake County
4
Sanpete County
4
Box Elder County
3
Cache County
3
Cache Valley (Utah and Idaho)
3
Cedar Valley (Iron County)
3
Emery County
3
Kane County
3
Tooele County
3
Utah County
3
Garfield County
2
Juab County
2
San Juan County
2
Uintah County
2
Wasatch Range (Utah and Idaho)
2
Arches National Park (Utah)
1
Bear River Valley (Utah-Idaho)
1
Beaver County
1
Beaver River Watershed (Utah)
1
Bluebell Oil Field
1
Bluebell Oil Field (Utah)
1
Box Elder Canyon (Box Elder County)
1
Box Elder Canyon (Box Elder County, Utah)
1
Brigham City (Utah)
1
Carbon County
1
Castle Valley
1
Castle Valley (Emery County)
1
Cedar Mountains (Utah)
1
Cedar Valley (Iron County, Utah)
1
Cedar Valley (Utah County)
1
Coalville
1
Cove Creek (Millard County and Sevier County, Utah)
1
Davis County
1
Dinosaur National Monument (Colo. and Utah)
1
Duchesne County
1
Escalante River Valley (Utah)
1
Fish Springs Flat
1
Fish Springs Flat (Utah)
1
Grand Staircase-Escalante National Monument
1
Grand Staircase-Escalante National Monument (Utah)
1
Great Salt Lake Region
1
Grouse Creek Mountains (Utah)
1
Henry Mountains
1
more ...