Spatial Coverage
- Bennington County3
- Bristol Bay (Alaska)3
- Brooks Range3
- Cook Strait (N.Z.)3
- Delta Region3
- Djibouti3
- Elbe River (Czech Republic and Germany)3
- Gulf Intracoastal Waterway3
- Hawaii3
- Java Sea (Indonesia)3
- Lincoln County3
- Long Island Sound (N.Y. and Conn.)3
- Magellan, Strait of (Chile and Argentina)3
- Maine3
- Michigan3
- Netherlands3
- New Mexico3
- North Carolina3
- North Island3
- Northwest Territories3
