Etopo Digital Maps are Canadian raster topographic maps scanned at 150 DPI and calibrated for use with an external software package (not included). All Etopo maps are pre-calibrated for use with Memory Map, OziExplorer, MacGPS Pro, Mapcruiser with NavSim, Fugawi, Global Mapper and more. All maps are also viewable and printable with any image viewing or editing software.All of our maps have been meticulously colour corrected to reduce file size and ensure that all the maps look the same regardless of their date of publication.For detailed information, sample maps, indexes, help and support please visit eTopo.ca.