WPAs in Aurora County, SD Maine WPA811 acres Crystal Lake WPA801 acres Humphrey WPA678 acres Sorenson WPA587 acres Nielsen WPA482 acres Stanley WPA259 acres Scott WPA182 acres Lutz WPA161 acres Krell WPA161 acres Foster WPA158 acres Schute WPA152 acres Althen WPA149 acres Overweg WPA137 acres Koch WPA99 acres Miller WPA59 acres White Lake WPA30 acres