3rd Military Survey 1 : 75 000 are one of the most important and attractive mapsets covering the territory of the Czech Republic. The importance if these maps lies in their rich set of map symbols, detailed coverage of the Czech Republic (and Slovakia) and long period of use.
This application show the positions of map sybols of 3rd Military Survey. These positions were found out by certified technology for map symbol detection on scanned images of maps from the collection of The Institute of History, Academy of Sciences of the Czech Republic. The maps were scanned with 400DPI resolution.
The image below shows the map layout if 3rd Military survey, each sheet pointing to a detailed view showing the map symbol positions.