Swisstopo
…peak on the Dufourkarten from Höchste Spitze to Dufourspitze: it still carries that name today. In 1863, the SAC published a 1:50.000 map of the region Tödi, based on unpublished survey material. A year later, the last map of the Dufourkarten was published, and the following year, Dufour retired and Hermann…