Ice & Glaciers map in the Swisstopo’s “ Once & Today” series, presenting on one side a map of Switzerland during the Last Glacial Maximum, with on the reverse topographic maps & aerial photos of the country’s five well-known glaciers to show the extent of the retreat of the ice cover. On one side is a map of the whole country at 1:540, 000 during the Last Glacial Maximum 20, 000 to 11, 500 years ago. The map has contours at 200m intervals both on the glaciers & the ice-free area & shows names numerous mountain peaks as well as locations of present day main towns. On the reverse five of the country’s well known glaciers: the Great Aletsch Glacier, the Trift Glacier, the Lower Grindelwald Glacier, the Morteratsch Glacier & the Gorner Glacier near Zermatt, are each shown on two topographic maps, from present day & from mid-1800s, plus on two aerial photos. Map legend & the accompanying text include English. For the list of other titles in this series please click on the series link.