Pres Theodore Roosevelt On Steam Powered Digging Machine During Construction Of The Panama Canal Library Of Congress
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French Machinery Used In The Panama Canal Construction Abandoned In The Panama Jungle C 1908 Library Of Congress Panama Pacific International Exposition
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R V Argo Going Through The Panama Canal Library Digital Collections Uc San Diego Library
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English Title Governor M L Walker Of Panama Canal Zone At W H 1 19 25 Abstract Medium 1 Negative Glass 4 X 5 In Or Smaller 1925 Library Of Congress Catalog Https Lccn Loc Gov 2016839178 Image Download
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19th Century Dredger On Panama Canal Photograph By Collection Abecasis Science Photo Library
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Panama Canal Locating Collections At The Library Of Congress Inside Adams Science Technology Business
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