Name Sites Samples
Stearns County 1 2
Stephens County 2 5
Stephens County 1 1
Sterling County 1 1
Steuben County 1 2
Stevens County 1 4
Stoddard County 1 4
Stokes County 3 3
Stone County 1 5
Suffolk County 16 64
Suffolk County 16 35
Sullivan County 1 1
Sullivan County 3 13
Sumner County 5 7
Sumner County 3 55
Sumter County 1 1
Sumter County 3 13
Sunflower County 2 5
Surry County 1 6
Susquehanna County 1 6
Sutton County 2 6
Suwannee County 1 3
Swain County 1 2
Sweden 265 1153
Swisher County 1 5
Switzerland 143 672
Switzerland County 2 17
Talladega County 2 7
Tallahatchie County 1 4
Taney County 2 6