08 11 21 Etheritage Dufourkarte

Guillaume Henri Dufour: topographical map of Switzerland 1:100 000. page 8, Aarau, Lucerne, Zug, Zurich. (Printed in 1926)

The Dufour Map (surveyed and published at the behest of the Swiss Federal authorities, recorded under the supervision of General G.H. Dufour, first edition 1845–1865, updated until 1939) documents the settlement and landscape development of modern Switzerland in the

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