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For the first time aerial photography was used for reconnaissance, here to determine the location of defenses near a road to Arras.
William Rider-Rider/Library and Archives Canada/PA-002205
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of a road. A photograph taken from a kite balloon For the first time aerial photography was used for reconnaissance, here to determine the location of defenses near a road to Arras. William Rider-Rider/Library and Archives Canada/PA-002205 |
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