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U.S. Department of Agriculture (USDA) Forest Service (FS) Forestry Technician Clyde Carroll sharpens the teeth on the chainsaw he uses to mitigate trail hazards by clearing pathways blocked by dead and fallen trees and brush allowing other crews to better get in and out of the area to help stop the Cedar Fire, on Black Mountain, in the and around the Sequoia National Forest, and Alta Sierra, CA, on Tuesday, August 23, 2016.
USDA Photo by Lance Cheung.
Original public domain image from Flickr
Public DomainFree U.S. Government Image
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