Fig. 185—Glacial features in the Peruvian Andes near Arequipa. Sketched from a railway train, July, 1911. The horizontal broken lines represent the lower limit of light snow during late June, 1911. There is a fine succession of moraines in U-shaped valleys in all the mountains of the Arequipa region. A represents a part of Chacchani northwest of Arequipa; B is looking south by east at the northwest end of Chacchani near Pampa de Arrieros; C also shows the northwest end of Chacchani from a more distant point.
Fig. 186—Canted snowline in the Cordillera Vilcapampa between Arma and Choquetira. Looking east from 13,500 feet.