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bucknell
Hallen, Ernest "Red"
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Authority Sources
Wikidata
Gatun Spillway
Mindi Excavation
The Cut at Bas Obispo during the Flood of Nov.19, 1909
Blowing up of Gamboa dike, Panama Canal, October 10, 1913
General View of Ancon Hill and Quarry from Sosa Hill. June 7, 1912
Miraflores Lower Locks
Culebra Cut. Cucaracha Slide
Gatun Upper Locks
A French Land excavation and Bridge Conveyor near Tabermilla 160ft
Culebra Cut, Culebra
Pagination
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