Region
Colorado
102
United States
30
Alaska
5
Tongass National Forest
3
Arctic National Wildlife Refuge
1
Arctic National Wildlife Refuge (Alaska)
1
Arctic regions
1
Arkansas River
1
Denver
1
Galveston Bay
1
Germany
1
Holy Cross Wilderness
1
Larimer County
1
Lonetree Dam (Colo.)
1
Mexico, Gulf of
1
Ogallala Aquifer
1
Texas
1
Tongass National Forest (Alaska)
1