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Digging the Spillway at Gatun Dam, Panama Canal Zone Partager

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East Center and West Walls of Upper Lock Under Construction, Conveying Concrete by Chutes; Miraflores Locks, Panama Canal Partager

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Gold Hill on the Right and Contractor's Hill on the Left, Culebra Cut, Panama Canal Partager

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Extension of Center Wall, North End of Gatun Locks, Gatun in the Distance, Panama Canal Partager

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South over upper guard gate of west chamber, upper locks, Miraflores, Panama Partager

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View From Top of Construction Trestle, Showing 58-Foot Gate, Pedro Miguel Locks, Panama Canal Partager

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End View of Gatun Spillway Where Water Flows Into Forebay for Power Purposes, Gatun, Panama Canal Partager

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The Depth of the Culebra Cut as Excavated by the Year 1908 - Panama Canal Zone Partager

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A 1100 Ton Gate Under Construction, Pedro Miguel Locks, Panama Canal Partager

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Site of the Gatun Lock, Looking South from the Lowest Lock Towards Lake Gatun - Panama Canal Route Partager

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In Culebra Cut Looking South, Near Culebra Station, Panama Canal Partager

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Bas Obispo Cut, Showing Battery of Rock Drills at Work, Panama Canal Route Partager

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