| Description | Map 'Carte des Alpes Francaises reduite d'apres celle du General Bourcet', engraved by Baltard, [n.d.]. Geological colouring after Elie de Beaumont, May 1851. Notes in ink, some in Greenough's hand. Scale-1:200,000, 232cm x 84cm. Dissected on cloth, 232cm x 84cm. Greenough no.894 |