Another firefighter, 45 year old Norman Crawford of Sisters was also injured when the snag fell him. Hammack was pronounced dead at the scene. Crawford was taken by ambulance to St. Charles Medical Center in Bend where he was treated and released.
The injuries occured as the tree fallers worked to suppress a fire caused by a lightning storm in the Mt. Washignton Wildnerness near Dugout Lake.
The accident happened just after 9 a.m. Thursday morning.