Canal Lock under Construction
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This image is available for download, without charge, under the Getty's Open Content Program.

American, Panama, 1849 - 1857
5 3/8 x 7 5/16 in.

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This photograph represents the process of constructing a lock along an unidentified canal in the eastern United States. From atop a construction rig, the photographer provided a view of the lock's nearly completed gates. Construction debris litters the seeping canal floor. Stonemasons and carpenters provide a sense of scale and bring a human perspective to this vast engineering enterprise. The large size of the daguerreotype plate indicates the importance placed on creating this visual document.