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Aerial survey - Portland 74 - Flight 7 - SW, NW to N | AP/87861 | 03/21/1974 | ||
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Aerial survey - Portland 74 - Flight 7 - SW, NW to N | AP/87860 | 03/21/1974 | ||
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Aerial survey - Portland 74 - Flight 7 - SW, NW to N | AP/87858 | 03/21/1974 | ||
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Aerial survey - Portland 74 - Flight 7 - SW, NW to N | AP/87857 | 03/21/1974 |