Unidentified photographer Alps, c. 1900. Eastern range of the Vercors. Pic Saint-Michel. Rocher du Pas de l'Ours. Balme rock. Belledonne range. Rochers du Vallon. Seven prints on citrate paper (including two panoramas), some mounted on cardboard. Numerous topographical indications on the prints. Sizes: 9 x 23.5 to 18 x 24 cm