Road construction, Indian creek rotor nature trailGreat Smoky Mountains National ParkIndian Creek Rotor Nature Trail.Road Construction, II-R-Constr-16110, Physical Facilities - Roads - Construction of Roads
Bulldozer and tractorDry Tortugas National Park; National Park ServicePhoto of bulldozer (small and farm tractor). Tractor used to haul and lay "Spoil Pipe"
Bulldozer spreading land over oilDry Tortugas National Park; National Park ServiceSmall bulldozer used to spread land fill over oil - caused [illegible]; The dredge pumps [illegible] in small piles - the dozer spreads it evenly over the oil