Our photographs represent research, presentations, award ceremonies, fire simulations, tours, and educational events. Click on an image to see a larger view and description. Browse related images by tags. Photos are provided by the USDA and Forest Service unless otherwise noted.
Collecting fuel samples to determine moisture content at the base of a Jeffrey pine tree immediately before the prescribed burn.
Airborne Laboratory. Gas and particle measurement instruments and flight scientists on the U.S. Forest Service Region 4 Twin Otter aircraft.