One of the maps in the topographic survey of Peru from the country’s national survey organization, Instituto Geográfico Nacional. Contours are at 25m intervals & colouring/symbols indicate different types of terrain & vegetation. Some of the maps may contain small blank spaces representing as yet unmapped areas. Each sheet covers 30’ latitude by 30’ longitude. The maps have a 1km UTM grid & margin ticks for latitude & longitude at intervals of 1’. Publication dates vary; most maps were published in 1960s to 1990s, with some sheets revised more recently. Map legend is in Spanish only, except in the more recent editions which also include English.