|
|
|
|
Aerial Survey - Portland 74 - Flight 10 - SW, SE, NE to N |
03/21/1974 |
|
|
|
|
Aerial survey - Portland 74 - Flight 9 - SW, SE, NE to N |
03/21/1974 |
|
|
|
|
Aerial survey - Portland 74 - Flight 8 - SW, NW to N |
03/21/1974 |
|
|
|
|
Aerial survey - Portland 74 - Flight 7 - SW, NW to N |
03/21/1974 |
|
|
|
|
Aerial survey - Portland 74 - Flight 6 - SW to NW |
03/21/1974 |
|
|
|
|
Aerial survey - Portland 74 - Flight 5 - SW to NW |
03/21/1974 |
|
|
|
|
Aerial survey - Portland 74 - Flight 4 - SW to NW |
03/21/1974 |
|
|
|
|
Aerial survey - Portland 74 - Flight 3 - SW to NW |
03/21/1974 |
|
|
|
|
Aerial survey - Portland 74 - Flight 2 - SW to NW |
03/21/1974 |
|
|
|
|
Aerial survey - Portland 74 - Flight 1 - NW Portland |
03/21/1974 |
|
|
|
|
Aerial survey - Portland 74 - Flight F - SW, SE, NW to NE |
03/21/1974 |
|
|
|
|
Aerial survey - Portland 74 - Flight E - SW Portland |
03/21/1974 |
|
|
|
|
Aerial survey - Portland 74 - Flight D - SW to N |
03/21/1974 |
|
|
|
|
Aerial survey indices, 1972, 1974, 1978 |
03/21/1978 |
|
|
|
|
Aerial survey - Portland 74 - Flight A - SW to NW |
03/21/1974 |
