Breadcrumb Ag Home Directory Mindy Sigvaldsen Staff Image Title Mindy Sigvaldsen Position Program Assistant Extension Leadership Team Part time Email mindy.sigvaldsen@ndsu.edu Offices Williams County Mailing address: PO Box 1109 Williston, ND 58802-1109 Physical address: 5246 141st Ave NW Williston, ND 58801 Phone 701-577-4595 ID