Bulldozer and tractorDry Tortugas National Park; National Park ServicePhoto of bulldozer (small and farm tractor). Tractor used to haul and lay "Spoil Pipe"
Bulldozer clearing construction siteEverglades National Park; National Park ServiceClose up view of cleared construction site, man and bulldozer in background; "Everglades-site of contact/comfort station". Polyester Copy Negative.
Bulldozer clearing site for jetportEverglades National Park; National Park ServiceClose up bulldozer clearing land for jetport; 1969. Locality: Big Cypress.
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