. . . . . . . . . "1909" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Corson County, South Dakota" . . "6.39727063252992E9" . . . . . "2.4" . . . . . . "Corson County, South Dakota" . . . . . . . . . . . . . . . . . . . "Corson" . . . . "1.5539928662016E8" . . . . . . "6.55266991915008E9" . "Northeast Corson" . . . . . . . . "Corson County" . . . . . . . . . . .