Topographische Karte 1 : 50 000 - Ausgabe Staat (1979-1989) N-33-113-C Bad Freienwalde/Oder

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.本批地形图（topographic maps）由AS（issuing State，发行方）发行，主要服务于军事领域，保密级别为“机密”。TK50 AS型地形图的内容层级划分如下：平面图（Floor Plan）/网格网（Grid Net）-黑色，水系（Water Blue）-蓝色，地貌（Relief）/街道填充/建筑区域（Building Areas）-红棕色，林区（Forest Area）-绿色。