Northeast Montana Wetland Management District Northeast Montana Wetland Management DistrictStation reference point WPA Open (Open)12,073 acres Flaxville WPA147 acres International Marsh WPA951 acres Jagiello WPA39 acres Johnson Lake WPA182 acres Anderson WPA531 acres Base Camp WPA359 acres Berger Pond WPA13 acres Big Slough WPA1,006 acres Bolke WPA55 acres Carlson WPA78 acres Chandler WPA46 acres Dog Leg WPA71 acres Erickson WPA1,160 acres Espen WPA26 acres Ferguson WPA105 acres Gabrielson WPA40 acres Gadwall Haven WPA19 acres Gjesdal East WPA123 acres Gjesdal West WPA401 acres Goose Lake WPA1,674 acres Hansen WPA55 acres Jerde WPA183 acres Long Lake WPA213 acres Mallard Pond WPA160 acres Melby WPA20 acres Muddy Creek WPA5.1 acres North Root WPA323 acres Northeast WPA219 acres Olson WPA18 acres Parry WPA553 acres Pintail Marsh WPA148 acres Rabenberg WPA314 acres Redhead Retreat WPA207 acres Rich Johnson WPA322 acres Rierson WPA113 acres Rivers WPA162 acres Salter WPA322 acres Shoveler Puddle WPA30 acres South Root WPA319 acres State Line WPA612 acres Valpone WPA20 acres Ward WPA86 acres Westgard WPA121 acres Wigeon Slough WPA556 acres