Topographical map 1: 50 000 — Edition State (1979-1989) N-33-121-D Brandenburg (Havel)-Kirchmöser

The topographic maps, referred to as the issuing State (AS), were primarily for military purposes and carried the level of “confidential classified information”. Content levels of TK50 AS are: Floor Plan/Grid Net-Black, Water Blue, Relief/Street Filling/Building Areas-Red Brown, Forest Area Green.以发布方（AS）冠名的地形图主要用于军事用途，保密等级为"机密"。TK50 AS型地形图的内容分层标准如下：平面图/网格网——黑色，水系——蓝色，地貌/街道填充/建筑区域——红棕色，林区——绿色。