Swiss pioneers of the surveying of the Alps
Glatthard, Thomas
Swiss Pioneers of the Surveying of the Alps: Samuel Bodmer (1652-1724): Correction of River Kander Franz Ludwig Pfyffer (1716-1802): Relief of Central Switzerland Ferdinand Rudolph Hassler (1770-1843): Baseline and triangulation Guillaume-Henri Dufour (1787-1875): Swiss Map Dufourr Xaver Imfeld (1853-1909): Panoramas, reliefs, maps, engineerrs projects.
Event: XXIII International FIG Congress : Shaping the change
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