Map application displays layers, thematically divided according to the geophysical methods used for the data acquisition. The map application contains the geophysical measurements paid by the Czech state, carried out mainly by former company Geofyzika Brno. Application displays the following map layers: seismic (2D reflection seismic and well shoots), vertical electric sounding (polygons, lines, points) and localization of the geophysical surveys on the territory of the Czech Republic (both regional and local).

CGS map server application allows statistical data of radon hazard for Czech's administrative units. Data was processed by CGS and State Office for Nuclear Safety under the Czech Republic Radon Program. Application operates with the Geological map 1 : 50,000 and 1 : 500,000. It's possible to generate komplex radon information in PDF format for municipality centroids.

Application displays Radon index map of the bedrock of the Czech Republic at a scale of 1 : 50,000 from mapping activities during 1999–2005. It's possible to search by year of publishing, map name and map sheet number. Application is available also on CD-ROM (e-shop).

This map application gives access to key information about drilling and objects registered in the descriptive database of geological objects. The boreholes inventory includes hydrogeological and geophysical data.