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  • Seamless geological map GEOCR50 is a unique geographic information system, which has as its main parts database of the digitized geological maps at a scale of 1 : 50,000 and database of the unified geological legend for the whole Czech Republic. This legend contains 4 basic types of information: chronostratigraphical units (classification), regional units (classification), lithological description of rocks and lithostratigraphical units (classification). GeoCR50 contains more than 260 000 mapped geological units from the whole area of the Czech Republic.

  • SDE database of Slope instability register contains basic data of registered and authenticated slope instabilities (landslides, solifluction, rock falls, etc.). Landslides are classified as active, suspended and stabilized. Database is based on verified mapping in 1 : 10,000 and landslide description and photodocumentation. Data actuality, professionality and its processing is maintained by experts from CGS.