 A tentative agreement was reached during Wednesdays mediation between the Yellowstone County Employees Union and county commissioners UPDATE, JAN. 18 AT 4:45 PM: A tentative agreement was reached during Wednesdays mediation between the Yellowstone County Employees Union and county commissioners. We met today with the intention of coming to an agreement to avoid any disruption ... Tentative agreement reached between Yellowstone Co. Employees... 