(Estacada, OR)  --  Firefighters continue to make progress against the Riverside Fire in Clackamas County.  Officials say crews are working to strengthen fire lines protecting Estacada [[ ESS-tuh-KAY-duh ]].  They're also expanding protections in the community of Colton.  The Riverside Fire has burned more than 134-thousand acres and is still zero-percent contained.  However, fire officials say they should start gaining containment of the blaze within the next few days.