(Estacada, OR)  --  Firefighters are making headway in battling the Pit 36 wildfire near Estacada.  The fire is reported to be 30-percent contained, and officials have downgraded evacuation levels in the area.  So far, no homes or structures have been burned by the fire, which is believed to be human-caused.  The fire has scorched about four-thousand acres so far.