DescriptionHelicopter servicing the Mid-Canada Line.jpg
English: A Piasecki H-21 helicopter registered CF-JJW hovers in front of a Mid-Canada Line radar tower. The helicopter was operated by Okinagan Helicopters (seen in the fine print) and appears to be at Site 410 in Quebec. Collections Canada MIKAN 4949775
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it was not subject to Crown copyright, and
2. it is a photograph that was created prior to January 1, 1949, or
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