Minutes of the National Topographic Map 1:50,000 (1915-1960)

Minutes from the first editions of the map 1:50,000 of Spain, which began to be made by photomechanical reproduction techniques, from 1915 to 1960. They were developed on a scale of 1:25,000 but covering the extension of a sheet of 50,000. They are preserved in the IGN Cartoteca. WMS 1.3.0 service according to ISO 19128:2005.