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Aerial survey - 8073A - Flight 25 - NW Portland |
02/28/1981 |
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Aerial survey - 8073A - Flight 9 - N. Portland |
02/28/1981 |
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Aerial survey - 8073A - Flight 8 - NW Portland and St. Johns |
02/28/1981 |
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Aerial survey - 8073A - Flight 7 - NW Portland |
02/28/1981 |
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Aerial survey - 8073A - Flight 6 - NW St. Helens Rd. |
02/28/1981 |
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Aerial survey - 8073A - Flight 5 - NW St. Helens Rd. |
02/28/1981 |
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Aerial survey - 8073B - Flight 22 - SE Portland |
02/06/1981 |
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Aerial survey - 8073B - Flight 21 - SE Portland |
02/06/1981 |
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Aerial survey - 8073B - Flight 4 - SE Portland |
02/06/1981 |
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Aerial survey - 8073B - Flight 3 - SE Portland |
02/06/1981 |
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Aerial survey - 8073B - Flight 2 - SE Portland |
02/06/1981 |
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Aerial survey - 8073B - Flight 1 - SE Portland |
02/06/1981 |
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Aerial survey - 8073A - Flight 24 - NW and N Portland |
02/06/1981 |
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Aerial survey - 8073A - Flight 23 - NW and N Portland |
02/06/1981 |
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Aerial survey - PDX - Flight 14 - SW and NW Portland |
03/21/1978 |
