Hydrogeological map of Czechoslovakia 1 : 1,000,000 - territory of the CR (raster)
Hydrogeological map at a scale of 1:1M was compiled by O. Franko, M. Hazdrová, M. Chaloupská, J. Jetel, G. Kačura, E. Kullman, V. Myslil and P. Pospíšil, with the use of H. Daňková’s research material and was published in 1966. It contains information about ground-water data, geological characteristics of rocks, hydrogeological objects, and tectonics. It has been derived from a geological map at a scale of 1:1M. In March 2008 it was published part of the map describing territory of the Czech Republic as a WMS service from the raster data.