« All Events This event has passed. Montana-Dakota Utilities Co. May 19th @ 7:10 am CDT 5 Day Campus Class – Manteno, IL » Add to calendar Google Calendar iCalendar Outlook 365 Outlook Live Details Date: May 19th Time: 7:10 am CDT Venue Montana-Dakota Utilities Co. 718 Steele Ave. Rapid City, SD 57701 United States + Google Map