Andes, near Alparmarca (i.e. Alpamarca), Peru

Drawing shows a man on horseback, his back to the viewer, facing toward the Andes Mountains. Alfred Agate participated in the Charles Wilkes expedition to western North America, South America, Australia and the South Pacific from 1838 to 1842.
Signed lower right: Agate del.
Inscribed below title: sketched from an elevation of 16000 feet.