British Antarctic Expedition, 1907 [cartographic material] : route and surveys of the South Magnetic Polar Party, 1908-09 : from triangulation and traverses / by Douglas Mawson.Mawson, Douglas Sir, 1882-19581909At top right corner of sheet: Antarctic regions. Shackleton.Map showing the route taken by the South Magnetic Pole Party in Shackleton's British Antarctic Expedition. The route is time-dated over late 1908 to early 1909. The map also includes the routescartographic