Technical map Regional flight 1991 — scale 1:5,000
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Regional Technical Map made by the Autonomous Region Valle d’Aosta in 1999 on a scale of 1:5,000 using the low CGR 1991 flight. Drawn up using a classical photogrammetric method in 438 sections, it has partial coverage of the regional territory, limited to the bottom areas of the valley and anthropised.
