(Estacada, OR)  --  A woman is recovering after spending multiple days trapped in a septic tank in Estacada.  Rescue crews found the woman lying in raw sewage in the tank outside her rural home Tuesday.  Authorities say she was working on the septic tank when she fell in.  It's not yet clear how long she was stuck in the tank, but authorities say it may have been as long as three days.  She was taken to a hospital to be checked out.