File:PSM V74 D428 Steam shovels loading ledgerwoods flats in culebra cut.png

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Summary

Description	English: Steam shovels loading lidgerwood flats in Culebra cut
Date	1909
Source	Popular Science Monthly Volume 74
Author	Unknown

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Panama Canal

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Horizontal resolution	28.35 dpc
Vertical resolution	28.35 dpc

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