Sacco, Frederico, 1889. Untitled geological map of Castelnovo d’Asti (now Castelnuovo don Bosco) area (approx. 20km E of Turin)

Sacco, Frederico, 1889. Untitled geological map of Castelnovo d’Asti (now Castelnuovo don Bosco) area (approx. 20km E of Turin). Colour printed folded map (45.5 x 32cm) at 1:25,000 scale with ‘Un Coin Interessant du Tertiare d’Italie’, offprint from the Bulletin de la Societe Belge de Geologie, v.3, 1889. Brussels. pp.12-28. Colour printed folded map (45.5 x 32cm) at 1:25,000 scale. Text and map clean and slightly age-toned. Map colours very strong and darker colours are difficult to read through to basemap. In French. In good to very good condition.