Spatial Coverage
- Adirondack Forest Preserve (N.Y.)2
- Alabama Hills2
- Boston2
- Boston (Mass.)2
- British Columbia2
- Coconino County (Ariz.)2
- Custer County2
- Custer County (Mont.)2
- Dakota Territory2
- Datil2
- Datil Well Campground (N.M.)2
- Grand Canyon National Park Region (Ariz.)2
- Illinois2
- Massachusetts2
- Middle West2
- Mohave County (Ala.)2
- Montana.2
- Nebraska2
- Prairie Provinces2
- San Juan County2
