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Interior of vehicle Everglades National Park; National Park Service
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View of machinery by pond Everglades National Park; National Park Service
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Old machinery by bridge in grassland Everglades National Park; National Park Service
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Green-tinted water in grassland Everglades National Park; National Park Service
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Man operating equipment in wetlands Everglades National Park; National Park Service U.S.G.S. operations in glades.
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View of earth-moving machinery at work Mammoth Cave National Park; National Park Service
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Stationary crusher set up showing storage bin and house constructed from material from demolition, 1934 Mammoth Cave National Park; National Park Service
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Stationary crusher set up showing storage bin and house constructed from material from demolition, 1934 Mammoth Cave National Park; National Park Service
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Stationary crusher set up showing storage bin and house constructed from material from demolition, 1934 Mammoth Cave National Park; National Park Service
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Workers on road construction equipment Mammoth Cave National Park; National Park Service
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Stationary crusher set up showing storage bin and house constructed from material from demolition, 1934 Mammoth Cave National Park; National Park Service
View on map 
Workers on road construction equipment Mammoth Cave National Park; National Park Service
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Stationary crusher set up showing storage bin and house constructed from material from demolition, 1934 Mammoth Cave National Park; National Park Service
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Road grader and tractor grading road Mammoth Cave National Park; National Park Service
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Stationary crusher set up showing storage bin and house constructed from material from demolition, 1934 Mammoth Cave National Park; National Park Service
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Huber road construction machinery, worker at center, trees in background Mammoth Cave National Park; National Park Service
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Stationary crusher set up showing storage bin and house constructed from material from demolition, 1934 Mammoth Cave National Park; National Park Service
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Stationary crusher set up showing storage bin and house constructed from material from demolition, 1934 Mammoth Cave National Park; National Park Service
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Tractor and grader leveling road Mammoth Cave National Park; National Park Service
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Building Estes lookout tower Mammoth Cave National Park; National Park Service
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About 270 Items

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