Spatial Coverage
- Nova Scotia.1
- Oregon1
- Overland Trails1
- Ötztal Alps (Austria and Italy)1
- Petaluma River (Calif.)1
- Petaluma River.1
- Portugal1
- Prince Edward Island1
- Prince Edward Island.1
- Saint Clair River (Mich. and Ont.)1
- Saint Lawrence, Gulf of1
- Saint Lawrence, Gulf of.1
- Silesia (Czech Republic)1
- South Atlantic States1
- Southwest, New1
- Spain1
- Sudan1
- Switzerland1
- Tasmania1
- Tasmania.1
