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Scientific American 1913-05-10

Scientific American 1913-05-10.jpg Scientific American 1913-03-29ThumbnailsScientific American 1913-07-26Scientific American 1913-03-29ThumbnailsScientific American 1913-07-26Scientific American 1913-03-29ThumbnailsScientific American 1913-07-26Scientific American 1913-03-29ThumbnailsScientific American 1913-07-26Scientific American 1913-03-29ThumbnailsScientific American 1913-07-26

Some recent views from the Panama Canal. Gatun Lake and the south approach wall of Gatun locks. This artificial inland sea will cover nearly 170 square miles of the Chagres Valley. The upper guard gate at Gatun, the first to be completed. In front is the water of Gatun Lake.



Source: Steve Kirch, collector, and creator of a great website about SCIENTIFIC AMERICAN in the past

Restoration by: magscanner