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In the article is presented a method for creating an interactive web map of the preindustrial state on the basis of analogue nineteenth-century maps of Upper Silesia (southern Poland). The main objective was to present a universal operation scheme that would allow one to transform old topographic maps into interactive web maps. The Leaflet library was use as a working environment for programming. The most important element of the work was the use of GeoJSON files. Advantages and disadvantages of the developed scheme and applied solutions were indicated.

The use of Leaflet and GeoJSON files for creating the interactive web map of the preindustrial state of the natural environment