Couloir Cordier (Cordier/Middlemore/Oakley-Maud/Anderegg/Juan/Maurer, 1876).
Aiguille Verte: 16. Couloir Couturier (Couturier/Charlet/Simond, 1932); 17. Couloir Cordier (Cordier/Middlemore/Oakley-Maud/Anderegg/Juan/Maurer, 1876). Foto: Roger Chorley.