Creator
- Geological Survey (U.S.)4
- National Atlas of the United States2
- Wade, Tim2
- Blackburn, Laura1
- Lannoo, Michael J.1
- Maine. Department of Marine Resources1
- Nanjappa, Priya1
- Nature Conservancy (U.S.)1
- Patuxent Wildlife Research Center1
- Ritters, Kurt1
- SeaPlan1
- United States. Agricultural Research Service1
- United States. Environmental Protection Agency1
- United States. Forest Service1