Topographical map 1: 50 000 — Edition State (1979-1989) N-33-99-A Fürstenberg/Havel

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.本批以发行国（AS）为标识的地形图，主要用于军事用途，保密等级为机密。TK50 AS的内容层级如下：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。