Region
Alaska
Brooks Range
Brooks Range (Alaska)
6
Killik River Watershed
3
National Petroleum Reserve
2
North Slope
2
Wahoo Limestone (Alaska)
2
Chandler Lake
1
Drenchwater Creek
1
Misheguk Mountain Region
1
National Petroleum Reserve (Alaska)
1
North Slope (Alaska)
1
Snowden Mountain
1
Utukok River Region
1
Utukok River Region (Alaska)
1
Yukon
1