Year Date Scale Clarity Notes
1937 Unknown Unknown
1938 4/38 Unknown
(small-scale)
Clear
1951 2/514/51

5/51

Some 1:800
others small-scale
Clear
1955 4/55 1:800 Clear
1959 3/594/59 Unknown Very clear
1961 12/61 1:800 Not clear Ripped
1965 3/654/65 1:1000 Clear
1966 10/6611/66 1:800 Clear
1967 1/67 1:800 Clear
1969 3/69 1:1000 Clear
1974 3/74, regular3/74, dark 1:800 Clear
1975 2/75 1:1000 Not clear Weyerhaeuser
1985 1/85 1:400 Clear
1993 2/93 1:800 Clear Hillsboro Division
1994 3/94 1:1000 Clear Weyerhaeuser
1996 10/96 1:4001:800 Clear Color Infrared
1997 2/97 1:800 Clear

Recent aerial photos are available in a digital (GIS) format.