92 color maps, on sheets 50 x 144 cm or smaller, folded to 25 x 11 cm. Covers Switzerland in 4 numbered sheets; includes multiple editions of all sheets. Front covers or folded panels of all sheets include a series index map. See also Series 1, France, subseries 7, city and city region maps, for related maps of the extended region around Geneva (sheets 89 and 92 in multiple editions, published 1937-2000). See also Series 1, France, subseries 9, client and thematic maps, for regional ski resort maps (sheets 19 and 20, published 1950).