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The Dufour Map also conveys a precise idea of Swiss geography of the second half of the 19th century and the early 20th century. One can see villages that have disappeared, glaciers that have retreated, and names of mountains that have changed since that time. Different editions of the Dufour Map
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print process, initially by intaglio, and later (from 1905) by flat plate impression. Until 1939, there were occasional revised editions of the Dufour Map sheets. The initially monochromatic map was enhanced in 1908 by the addition of an extra color, and then in 1938 by yet another colour.
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and administration. Some surveys for the map had been conducted by the
Cantons, but the federal government had made its contribution by tracking data in mountainous areas with difficult access. These actions had taken place in 1818, and then during the period 1836 to 1862.
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give a reliable overview of demographic trends in
Switzerland, the extension of settlements and significant changes in the territory, such as the damming of rivers, the construction of
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for the first time based on accurate geometric measurements. It is also the oldest official map series of
Switzerland.
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From 1870, a map series in the 1:25,000 scale of the original Dufour Map images was published under the official name
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The countryside (which in
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Dufour's work enabled the Swiss
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The original images for the Dufour Map were created in 1:25,000
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This article is about the historical map. For modern maps, see
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Publication of the Dufour Map was begun in 1845 by the
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map series consisted of 16 sheets, was produced by a
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267:The Dufour Map in the Swiss Parliament Building
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272:Online access to map.geo.admin.ch
235:Topographischer Atlas der Schweiz
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