IGME - Historical inventory of the IRYDA drillings

Historical data of the surveys carried out for the investigation of the different aquifers of Spain, the result of the collaboration between the Geological and Mining Institute of Spain (IGME), with the National Institute of Agrarian Reform and Development (IRYDA), before the National Institute of Colonization (INC). The surveys were conducted mainly between 1950 and 1990本数据集为西班牙境内不同含水层（aquifers）调查的历史实测数据，由西班牙地质与矿业研究所（Geological and Mining Institute of Spain, IGME）、国家农业改革与发展研究所（National Institute of Agrarian Reform and Development, IRYDA）与国家殖民研究所（National Institute of Colonization, INC）三方合作完成。此项调查主要于1950年至1990年间开展。