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Black and white view of the Bort-les-Orgues Dam in the Dordogne Gorges, Cantal, with a spillway and wooded slopes. The reverse side indicates technical characteristics: storage volume 470,000,000 m³, retention length 18 km, dam height 120 m, average productivity 350,000,000 K.W.K. and mentions the publisher 'Les Édit. d'Art Michel'.