Name Sites Samples
Sherman County 4 15
Sherman County 3 8
Shiawassee County 1 1
Sioux County 3 10
Slovakia 40 69
Slovenia 10 38
Smith County 3 11
Smith County 17 94
Smyth County 4 17
Somerset County 8 33
Somervell County 2 4
Southampton County 5 12
Spain 389 1374
Spalding County 3 3
Spartanburg County 1 1
Spencer County 5 15
Spotsylvania County 2 3
St. Bernard Parish 10 28
St. Charles Parish 5 34
St. Francois County 3 6
St. Helena Parish 2 6
St. James Parish 1 6
St. John the Baptist Parish 1 16
St. Landry Parish 4 14
St. Louis County 5 15
St. Lucie County 2 10
St. Tammany Parish 8 24
Stafford County 1 9
Stanly County 1 1
Stark County 2 6