Spatial Coverage
- Rhode Island.1
- Rio de la Plata.1
- Río de la Plata (Argentina and Uruguay)1
- Saint Clair (Minn.)1
- Saint Clair.1
- Saint Marks River (Jefferson County-Wakulla County)1
- Saint Marks River (Jefferson County-Wakulla County, Fla.)1
- Saint Paul (Minn.)1
- Saline (Mich.)1
- Saline.1
- San Francisco Bay (Calif.)1
- San Francisco Bay Area (Calif.)1
- San Francisco Bay.1
- San Pablo Bay (Calif.)1
- San Pablo Bay.1
- Santa Cruz Island (Calif.)1
- Santa Cruz Island.1
- Scotland1
- Sevastopolʹ (Ukraine)1
- Shippen (Cameron County : Township)1
