53 Rock Valley, Iowa September 2, 2021 Dr. Denise D. Greene, 53, of Rock Valley, Iowa, died Thursday, Sept. 2, 2021, at Avera McKennan Hospital in Sioux Falls, South Dakota. Funeral services were Wednesday, Sept. 8, at Faith Reformed Church, Rock Valley, with interment in Valley View Cemetery, Rock Valley. Denise Dawn Klaahsen was born…