71-year-old John Riemann of Litchfield, passed away Tuesday (May 25).   Graveside memorial services for 71-year-old John Riemann will be held Tuesday (June 8 th ) at 11:00 a.m in Camp Butler National Cemetery in Springfield. No visitation will be held. Masks are required at Camp Butler, for those wishing to attend the service. The Plummer Funeral Home in Litchfield is in charge of arrangements.