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Name: Boissy-sous-Saint-Yon topographic map, elevation, terrain.
Location: Boissy-sous-Saint-Yon, Étampes, Essonne, France métropolitaine, 91790, France (48.52869 2.19250 48.56869 2.23250)
Average elevation: 371 ft
Minimum elevation: 174 ft
Maximum elevation: 518 ft