3 color maps, on sheets 50 x 112 cm or smaller, folded to 25 x 11 cm. Sheets 1 and 2, covering the Sondrio and Belluno regions, were published as part of a 5-sheet map of northern Italy at scale 1:200,000, but this collections lacks sheets 3-5, covering the regions around Milan, Venice, and Trieste. Front covers and title pages of all sheets include a series index map.