Topographical map 1: 50 000 — Edition of Economics (1974-1982) 1110-3 Hoyerswerda

The topographic maps, known as the “Economy Edition”, were primarily intended to serve as a map 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 Causes of Service” or “Only for Service Use”. The content levels of the TK50AV are: Grotto/Gitternet-Black, Water Blue, Relief/Street Filling/Building Areas-Red Brown, Forest Area Green.这套被称为“经济版”的地形图，主要服务于前德意志民主共和国（GDR）的行政、科学文化、秩序与安全、工农业、交通、规划及环境保护领域。 该类地图的密级标注为“公务保密”或“仅供公务使用”。 TK50AV的色标分层如下：洞穴/Gitternet-黑色、水体-蓝色、地貌/道路填充/建筑区域-红棕色、林区-绿色。