Orthoimages of Bizkaia

Ortho-corrected aerial images of the Historical Territory of Bizkaia from the years 1956, 1965, 1975, 1983, 1990, 1995, 1999 and 2002. ORTO_BFA_1956: 0.25m pixel orthoimage generated in 2019 with the contacts of the flight used for Cadastre 1956 of approximate scale 1:12000 with undetermined date between 1953 and 1955. ORTO_BFA_1965: Pixel 0.50m orthoimage generated in 2015 from 3 partial flights of the Historical Territory of Bizkaia made in 1963 and 1965. Approximate flight scale 1:20,000. ORTO_BFA_1975: 0.10m pixel orthoimage generated in 2018 from May 1975 flight at 1:7000 scale. ORTO_BFA_1983: Pixel 0.50m orthoimage generated in 2015 from June 1983 flight at 1:18000 scale. ORTO_BFA_1990: 0.35m pixel orthoimage generated in 2016 from May 1990 flight at 1:18000 scale. ORTO_BFA_1995: 0.35m pixel orthoimage generated in 2016 from June 1995 flight at 1:18000 scale. ORTO_BFA_1999: 0.25m pixel orthoimage generated in 2020 from June 1999 flight at 1:18000 scale. ORTO_BFA_2002: Pixel 1m orthoimage generated in 2002 from the March 2002 flight at 1:18000 scale.