Fig. 4

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Projet d’aménagement du lac Pavin, en 1867 (extrait). Archives départementales du Puy-de-Dôme, AD63, S 0104 b. CC : Couze Chambourguet ; CD : canal de dérivation de la Couze Chambourguet ; E : émissaire du lac ; S : sentier au bord du lac. Zone hachurée : projet de digue.
Laying out plan for the lake Pavin in 1867 (extract). CC: Couze Chambourguet river; CD diversion channel of Couze Chambourguet river; E: lake outlet; S: path along the shore. Hatched area: projected levee.
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