Louise Koehn, ParkstonLouise M. Koehn, 87, Parkston, died Friday, Dec. 17, 2010, at St. Benedict Hospital, Parkston. Funeral services will be at 10:30 a.m. Monday at Faith Lutheran Church, Parkston. Burial will be in Parkston Protestant Cemetery, Parkston. Visitation will be from 5 to 6 p.m. Sunday at the church with a 6 p.m. prayer service. Koehn Brothers Funeral Home, Parkston, is handling arrangements.