The maps are of the volcanos: Pico de Orizaba, Cofre de Perote, Popocatepetl und Iztaccihuatl, Nevado de Toluca, La Malinche and Nevado de Colima. They are quite good and include roads, trails, contour lines, rivers and some POIs. The maps are single .img file, which you can either integrate manually in Mapsource or send it directly to your Garmin GPS device (check Tips 'n Tools for more instructions).
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