Region
Arizona
711
Mohave County
98
Coconino County
67
Utah
46
Cochise County
42
New Mexico
41
Pinal County
35
Yavapai County
33
Pima County
24
Navajo County
20
Gila County
19
California
18
Grand Canyon
18
Apache County
17
Graham County
17
Nevada
16
San Juan County
15
Grand Canyon (Ariz.)
13
Santa Rita Mountains
13
Grand Canyon Region
12
Santa Cruz County
12
Kane County
11
Grand Canyon National Park
10
Greenlee County
9
Hualapai Indian Reservation
8
La Paz County
8
Maricopa County
7
Yuma County
7
Hidalgo County
6
Grand Canyon National Park (Ariz.)
5
Grant County
5
United States
5
Chiricahua National Monument
4
Chiricahua National Monument (Ariz.)
4
Colorado
4
Colorado Plateau
4
Grand Canyon Region (Ariz.)
4
McKinley County
4
Mohawk Canyon
4
Navajo Indian Reservation
4
Petrified Forest National Park
4
San Bernardino County
4
Tucson Region
4
Alaska
3
Bradshaw Mountains
3
Clark County
3
Hopi Indian Reservation
3
Patagonia Mountains
3
Riverside County
3
Sonoran Desert
3
more ...