Hachures Terrain cartography

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dufour map of bern (1907); shaded hachure map.



hachures older mode of representing relief. form of shading, although different 1 used in shaded maps. show orientation of slope, , thickness , overall density provide general sense of steepness. being non-numeric, less useful scientific survey contours, can communicate quite specific shapes of terrain.


hachure representation of relief standardized austrian topographer johann georg lehmann in 1799.







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