Technical map Regional flight 1983 — scale 1:5000
Description
Regional Technical Map produced by the Autonomous Region of Valle d’Aosta between 1987 and 1989 on a scale of 1:5,000 using as a base the CGR 1975 flight updated for parts with flight CGR 1983 (flight with partial coverage limited to the bottom areas of the valley and anthropised). The individual sections of CTR Flight 1983 can therefore be the product of the return of two different aerophotogrammetric survey campaigns. Compiled with classical photogrammetric method in 352 sections has a partial coverage and of the regional territory.
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