Poweshiek County Camp Grounds, Iowa Diamond Lake Campground Poweshiek County OTHER COUNTIES NEARBY Appanoose County Benton County Black Hawk County Bremer County Buchanan County Butler County Delaware County Franklin County Grundy County Hardin County Henry County Iowa County Jasper County Jefferson County Johnson County Keokuk County Linn County Lucas County Mahaska County Marion County Marshall County Monroe County Story County Tama County Van Buren County Wapello County Washington County Iowa Campgrounds