Minnie Wallenburg 82 Rock Valley, Iowa December 12, 2019 Minnie Wallenburg, 82, of Rock Valley, Iowa, died Thursday, Dec. 12, 2019, at Whispering Heights in Rock Valley. Funeral service was Monday, Dec. 16, at United Reformed Church, Rock Valley, with interment in Valley View Cemetery, Rock Valley Minnie Ymker was born March 17, 1937, in…