Topographic mapping from Mexico’s national survey agency, Instituto Nacional de Estadística, Geografía e Informática. The maps have contours at 20m intervals with relief shading and indicate various types of terrain and vegetation, e.g. dense vegetation, cultivated areas, swamps, sand dunes, salt pans, etc. UTM grid is at 10km intervals, with latitude and longitude shown by margin ticks at intervals of 5`. Map legend is in Spanish only.To see the other titles in this series please click on the series link.