PIERRE, S.D. – The City of Pierre will perform its annual Fall cleanup of Riverside Cemetery on Friday, November 13. People are encouraged to retrieve any mementos, flowers, or other objects left at loved ones’ graves. Cemetery staff will remove any items not removed by November 13.  The City o f Pierre owns and maintains the 35 acres of Riverside Cemetery. Riverside Cemetery has served the Pierre community since the late 1800s. ...read more read less