Spatial Coverage
- Anchorage Region.1
- Angers1
- Appalaches1
- Appalachian Region.1
- Arctic Ocean1
- Arkansas1
- Atlantic States1
- Big Hatchet Mountains Wilderness1
- Black Ridge Canyons Wilderness (Colo. and Utah)1
- Boise County1
- Butte Region1
- California.1
- Canada, Appalachian Orogen.1
- Canada, Northern1
- Canada, north.1
- Canada.1
- Caribbean Sea1
- Charlotte Region1
- Chukchi Sea1
- Chukchi Sea.1
