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Spatial Coverage
- Alaska21
- Maine4
- Maryland3
- Pennsylvania3
- Pennsylvania.3
- Puerto Rico3
- California2
- New York (State)2
- Acadia National Park (Me.)1
- Acadia National Park.1
- Arches National Park (Utah)1
- Arches National Park.1
- Australia1
- Bel Air Region (Harford County)1
- Colorado1
- Colorado.1
- Cumberland County1
- Cumberland County (Me.)1
- Cumberland County.1
- Delaware1
