Digital geographical model of territory of the Czech Republic (Data50) - Hydrography

Data50 is a geograpfical model of territory of the Czech Republic. It has been derived from a cartographic database for Base map CR 1 : 50 000 and it is totally comprised of 8 thematic groups- Settlements, cultural and industrial buildings, Pipelines and electric lines, Hydrography, Administrative units, Vegetation and bare surface, Terrain and Names. Thematic group Hydrography contains feature types- Aqueduct, Dam, Weir, Inverted siphon, Water body and Watercourse.