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Division of Work and Industry Lantern Slide Collection
26.31 North Sea Canal, cities and canal of Holland
3316.2 Protecting sides of Culebra Cut, at foot of Contractor's Hill, by reinforced concrete facing
3317.2 Culebra Cut at Bas Obispo, looking north from relocation
3327 Mess Hall at Culebra which means men are permitted to eat without their coats
3339.2 Section across filled Prehistoric Valley cut by canal near Las Casadas
3340.1 Longitudinal profiles of the sea level canal at Panama, projected in 1906 and of the lock now under construction
3342 View in Culebra Cut, looking south showing Gold Hill in the background
3399.1 Pedro Miguel Locks, East Chamber showing outlet in east wall and construction of lower main gates and upper guard gates, looking north
3399.2 Culebra Cut, Culebra. Looking north from West Bank south of Contractor's Hill, showing suction dredges at work on north and south sides of Cucaracha slide
186.20 Map, canal system of New York state
186.58a Lockport, locks of Erie Canal
186.70 Buffalo, grain elevator
186.71 Canal boats, south end, New York City
59.109 Del Norte Canal, elevation and cross section of regulator gates
59.110 Arizona Canal, view of regulator gates