Arrowwood Wetland Management District Arrowwood Wetland Management DistrictStation reference point WPA Open (Open)6,260 acres Anderson WPA78 acres BLM WPA7.8 acres Columbia WPA110 acres Goose Lake WPA134 acres Haley WPA96 acres Hanson WPA49 acres Haven WPA653 acres Hegland WPA191 acres Lake Coe WPA22 acres Langley WPA121 acres Larson WPA134 acres Munster WPA47 acres Myhre WPA44 acres Nash WPA51 acres Sheyenne WPA514 acres Swan Lake WPA1,045 acres Wallace WPA913 acres Wood WPA240 acres Ziebart WPA314 acres Barlow WPA282 acres Bauers WPA160 acres Blue Cloud Lake WPA124 acres Florhaug WPA70 acres Larson WPA604 acres Midgley WPA180 acres Okert WPA228 acres Topp WPA159 acres Zink WPA162 acres