Deputies are investigating a fatal vehicle crash which occurred Monday night, June 17, shortly after 4:30 pm. 911 dispatchers received a call at 4:34 pm of a head-on collision in the 3800-block of Tyee Road. Deputies arrived to find a 2010 Toyota Camry which had crashed into a 2003 Ford F250 pickup. The investigation reveals the Camry was traveling westbound when it crossed into the oncoming path of the eastbound Ford pickup for an unknown reason. The Camry was operated by 83 year-old Thomas Brian Parkinson of Umpqua. His wife, 83 year-old Margaret Parkinson, was a passenger in the vehicle. Margaret was transported by Air Ambulance and was later pronounced deceased. Thomas Parkinson was transported to Mercy Medical Center by ambulance and later transferred to PeaceHealth Sacred Medical Center at RiverBend by air ambulance where he remains in critical condition. The operator of the Ford pickup, 26 year-old Kristopher Scott Knowlton of Oakland, was uninjured. Deputies are asking anyone who witnessed the crash to contact 541-440-4471 referencing Case #19-2724. Next of kin has been notified.