Arches and casements
Dry Tortugas National Park; National Park Service
Fort Jefferson National Monument gun replacements and archways within the casements
Barracks in Fort parade grounds
Dry Tortugas National Park; National Park Service
Fort Jefferson N.M. The view of the large barracks building in the parade ground; Frank, 3/28/37
Barrels stacked beneath arched window
Dry Tortugas National Park; National Park Service
Barrels stacked beneath arched window, Fort Jefferson
Barrels stacked beneath arched window
Dry Tortugas National Park; National Park Service
Barrels stacked beneath arched window, Fort Jefferson
Brick pathway through parade grounds
Dry Tortugas National Park; National Park Service
Bricks from demolished structure
Dry Tortugas National Park; National Park Service
Bricks from demolished structure in parade grounds
Dry Tortugas National Park; National Park Service
Bricks from demolished structure in parade grounds
Dry Tortugas National Park; National Park Service
Broken bridge over moat
Dry Tortugas National Park; National Park Service
[illegible] moat, wide view at low tide on 36 foot hole
Buildings in Fort Jefferson parade grounds
Dry Tortugas National Park; National Park Service
Bulldozer and tractor
Dry Tortugas National Park; National Park Service
Photo of bulldozer (small and farm tractor). Tractor used to haul and lay "Spoil Pipe"
Bulldozer spreading land over oil
Dry Tortugas National Park; National Park Service
Small 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
Cannon balls and other equipment near bridge
Dry Tortugas National Park; National Park Service
Close-up of cannon on top of fort
Dry Tortugas National Park; National Park Service
Cannon on top of the Fort; Fort Jefferson National Monument
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