Topographical map in 1:25000, 473.31 scale

Topographic map on a scale of 1: 25,000 in the 1965 layout is a graphical map (in colour). It shows the shape and cover of the land (including water, vegetation, settlements, roads and a number of other objects). Topographical maps are the primary source of information about the geographical environment.1965年版式、比例尺为1:25000的彩色地形图（Topographic map）为图形地图，其展示了陆地的形态与覆盖特征，涵盖水域、植被、居民地、道路及其他各类地物。地形图是获取地理环境信息的核心原始数据源。