The Marion County Board of Supervisors is meeting Tuesday at the Marion County Courthouse. Among items on the agenda are a special event application by the Knoxville Chamber of Commerce for Living Windows on November 21. The Supervisors will also discuss vacating roads, the cancellation of a road seal coat contract, and 28E agreements for a Tri-County Behavioral Health Region between Marion, Mahaska and Poweshiek Counties. Zoning changes, a Comprehensive Plan update, and a site plan for an electrical substation for Pella Rural Electric Co-op at 1154 92nd Ave in rural Knoxville will also be discussed. The meeting begins at 9AM.