La Laguna de Titicaca and the valleys of Yucay, Collao, and Desaguadero in Peru and Bolivia from Geodesic and Astronomic Observations made in the years of 1827, 28, 37 & 38 by J.B. Pentland Esqre. her Majesty's Consul General of the Republic of Bolivia. [material cartográfico] :. [London] : J. & C. Walker Sculp., June 8th 1848. 1 mapa : color ; 67 x 83 cm.