Spatial Coverage
- San Luis Valley (Colo. and N.M.)1
- San Martín (Peru : Dept.)1
- Santa Clara Valley (Santa Clara County)1
- Santa Clara Valley (Santa Clara County, Calif.)1
- Santa Fe1
- Santo Domingo (Dominican Republic)1
- Saratoga County1
- Sarnia (Ont.)1
- Saskatoon (Sask.)1
- Scotland1
- Scott County1
- Seaman Range Region1
- Shasta County1
- Shoshone Tribe of the Wind River Reservation, Wyoming1
- Sidra, Gulf of (Libya)1
- Sidra, Gulf of.1
- Sinai (Egypt)1
- Snake River Plain (Idaho and Or.)1
- Snohomish County1
- Somerset County1