Great Britain. Ordnance SurveyThis is a digital index map to serve as a finding aid for British Isles: Ireland 1:25,000. This military map series at 1:25,000 was begun in the 1930s, but at the outbreak of War in 1939. AGSL Holds more maps than are listed in this file so this file should be considered incomplete.GeoJSONark:/77981/gmgspnvx2m6engPublicOpenIndexMap: British Isles: Ireland 1:25,000 (incomplete)Maps1943American Geographical Society Library – UWM Libraries