(Beaverton, OR)  --  Authorities say a Beaverton woman with severe dementia who had been reported missing is doing fine after being found safe.  Police say 65-year-old Bonnie Clark vanished around one o'clock yesterday afternoon after last being seen at her home in the area near Southwest Murray Boulevard and Maverick Terrace.  Clark was considered to be in danger because of her dementia.  Police reported last night Clark had been found unharmed.