Geological map 1 : 50,000 (GEOCR50, optimized for mobile devices)
ArcGIS Server map service displaying a seamless geological map of the whole area of the Czech Republic at a scale of 1 : 50,000 (GEOCR50), customized for mobile applications.
This map has been produced at the regional scale, mainly for scientific and educational purposes, and cannot be used when very detailed geological information is needed.