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Tripod air drills at work, Culebra Cut, June 1909

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Tripod air drills at work, Culebra Cut, June 1909

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Summary

J153621 U.S. Copyright Office.
Panama Canal Scenes.
No. 31.
Copyright by J.A. Bruce.

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Date

01/01/1909
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Location

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Source

Library of Congress
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No known restrictions on publication.

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