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Aerial survey - 8420A - Flights 1 and 2 - Argay |
08/28/1984 |
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Aerial survey - Flight 1 - NE Fremont |
01/06/1986 |
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Aerial survey - Flight 4 - Mill Park |
08/30/1984 |
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Aerial survey - Flight 5 - I-205 |
08/30/1984 |
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Aerial survey - Ross Island, Hawthorne and Morrison bridges |
08/26/1991 |
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Aerial survey - SBG Portland 90 - Flight 1 - NE Alberta |
04/10/1990 |
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Aerial survey - SBG Portland 90 - Flight 2 - NE Shaver |
04/10/1990 |
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Aerial survey - SBG Portland 90 - Flight 3 - NE Siskiyou St |
04/10/1990 |
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Aerial survey - SBG Portland 90 - Flight 4 - NE Tillamook |
04/10/1990 |
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Aerial survey - Spot 1, Flight 1 and Flight 2 - Parkrose |
02/03/1985 |
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Aerial survey - Westside Mapping - Flight 1 - Forest Park and Sauvie's Island |
02/27/1992 |
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Aerial survey - Westside Mapping - Flight 2 - NW and N Portland |
02/27/1992 |
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Aerial survey - Westside Mapping - Flight 3 - Forest Heights and North |
02/26/1992 |
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Aerial survey - Westside Mapping - Flight 4 - NW and N Portland |
02/26/1992 |
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Aerial survey - Westside Mapping - Flight 5 - NW and N Portland |
02/26/1992 |
