WPAs in Hamlin County, SD Preston WPA447 acres Cox WPA442 acres Lake Marsh WPA360 acres Peterson WPA338 acres Rider WPA299 acres Giedd WPA244 acres Halligan WPA239 acres Juntunen WPA181 acres LaClair WPA161 acres Anderson WPA150 acres Wayrynen WPA101 acres Opdahl WPA89 acres Boeder WPA81 acres Kramer WPA81 acres Abraham WPA50 acres Liljegren WPA41 acres Struckman III WPA39 acres Struckman II WPA35 acres Struckman I WPA33 acres Kangas WPA16 acres