Database of sterile deposits and coarse materials poured dry (mine tailings) that originate in the mines and quarries. Contains the National Inventory of Mining Tailings and Structures of Mixed Type with information related to physical and geological characteristics, type of mining, impact on the environment, possibility of exploitation, etc. This information has been obtained through the completion of the National Inventory of Mining Ponds and Minig Tainlings from the IGME from 1983 to 1989. It is a georeferenced factual database managed with SQL Server.

Database of sterile deposits from mining washers. It also contains alphanumeric information of the different registers, documentary information (photographs, sketches and situation maps). This information is of national scope and has been generated thanks to the agreement "Update of the National Inventory of Mining Sterile Bodies" signed by the IGME and the General Directorate of Mines (MINER) in 1999. Information contained in the "Inventory" has also been used. in the "National Inventory of Mine Waste Ponds and Mining Tailings" carried out by the IGME between 1983 and 1989. It is a georeferenced documentary database managed with SQL Server, available online at http://info.igme.es/balsas