Topographic database of the Czech Republic (Data200) - layer Hydrography

Topographic database of the Czech Republic (Data200) - layer Hydrography. Minimal positional accuracy is 100 m and the level of detail corresponds to the scale 1:200,000. The Hydrography layer contains water courses, water areas, islands, dams, weirs and swamps.捷克共和国地形数据库（Data200）——水系（Hydrography）图层。其最小定位精度为100米，细节层次对应1:200000比例尺。该水系图层包含河道、水域、岛屿、堤坝、堰坝及沼泽。