A Polish Expedition composed of four climbers, Wojsznis, Szcepansky, Osieckj, and Parysky, made a number of climbs along the Chilean-Argentine frontier in the Province of Catamarca, among them, Ojo del Salado (6870 m.), Nevado Picis (6780 m.), Nevado Tres Cruces (6620 m.), and Cerro Nacimiento (6490 m.).