Forests Commission D7 crawler tractor with tree dozer. This unit clears trails of all vegetation, knocking over trees of up to 2' in diameter. The trail is first cleared by the machine which returns along its route and scoops the grass and surface…
Forests Commission D7 crawler tractor with tree dozer. This unit clears trails of all vegetation, knocking over trees of up to 2' in diameter. The trail is first cleared by the machine which returns along its route and scoops the grass and surface…
Caterpillar Diesel 50, with bulldozer building a road 24 miles back into inaccessible mountain country Santa Barbara National Forest U.S.A. (Photo W. Adams)