The Andes of Southern Peru / Geographical Reconnaissance along the Seventy-Third Meridian

by Isaiah Bowman

Fig. 27—Terraced valley slopes at Huaynacotas, Cotahuasi Valley, Peru. Elevation 11,500 feet (3,500 m.).

Fig. 28—The highly cultivated and thoroughly terraced floor of the Ollantaytambo Valley at Ollantaytambo. This is a tributary of the Urubamba; elevation, 11,000 feet.