(Portland, OR)  --  A dog is recovering after being rescued from an abandoned well in Aloha.  KATU-2 reports the 12-year-old golden retriever Calvin fell into the well yesterday and became stuck.  Calvin was stuck in the well for four hours before rescuers were able to pull him out.  Firefighters from Aloha and Tualatin used a tripod and rope system to lift Calvin to safety.