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Region
- Louisiana3
- New York (State)Steuben County2
- PennsylvaniaChester County2
- AlaskaChugach National Forest1
- Cape Cod (Mass.)1
- Chugach National Forest (Alaska)1
- Columbia Plateau1
- Gila River Watershed (N.M. and Ariz.)1
- Mars (Planet)1
- Martha's Vineyard (Mass.)1
- MassachusettsCape Cod1
- MassachusettsMartha's Vineyard1
- MassachusettsNantucket Island1
- Nantucket Island (Mass.)1
- New York (State)Black River Watershed (Herkimer County-Jefferson County)1
- New York (State)Monroe County1
- Ontario, Lake (N.Y. and Ont.)1
- Washington (State)1