Legend (Aerials/HistoricAerials)

1943 Aerial Index (0) 1951 Aerial Index (1) 1958 Aerial Index (2) 1967 Aerial Index (3) 1971 Aerial Index (4) 1973 Aerial Index (5) 1975 Aerial Index (6) 1978 Aerial Index (7) 1980 Aerial Index (8) 1982 Aerial Index (9) 1984 Aerial Index (10) 1986 Aerial Index (11) 1988 Aerial Index (12) 1990 Aerial Index (13) 1993 Aerial Index (14)