Place
- Salinas River Valley (Calif.)2
- Saudi Arabia2
- Saxony (Germany)2
- Scotland2
- South Asia2
- Stanford (Calif.)2
- Stanford University2
- Switzerland2
- Syria2
- Venezuela2
- Wales2
- West (U.S.)2
- Afghanistan1
- Africa, North1
- Africa, West1
- Albemarle Sound (N.C.)1
- Albion River Watershed (Calif.)1
- Arabian Peninsula1
- Argentina1
- Atlantic Coast (Middle Atlantic States)1