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Lisboa

Topographic survey of Portugal at 1:100,000 from the Instituto Geogrรกfico Portuguรชs, the country’™s civilian survey organisation. The maps have contours at 50m intervals and in addition to the standard features shown on topographic mapping at this scale also indicate various types of vegetation (vineyards, olive groves, etc). Each sheet covers an area of 64 x 40km (40 x 25 miles approx). The maps have latitude and longitude margin ticks at 1’™ intervals, plus show UTM coordinates for the map corners. Map legend is in Portuguese only.PLEASE NOTE – EDITION DATES: some sheets at this scale date back to the 1950s or 1960s. For more recent editions please see IGP’™s 1:25,000 series where each 50K map is divided into four quarters.To see all the titles in the 1:100,000 series please click on the series link.