Topographic map 1 : 50 000 - Economy edition (1974-1982) 0906-4 Wiesenburg

The topographical maps referred to as the Edition of Economics (AV) primarily had the purpose of serving as a map basis for the areas of administration, science and culture, order and security, industry and agriculture, transport, planning and environmental protection of the former GDR. They were classified as confidential for official use only. Content levels of the TK50AV are: Ground plan/grid-black, water-blue, relief/street filling/development areas-red-brown, forest areas-green.