Antarctic topographic map 1:50,000, Hesteskoen. Edited by 1990.12

Data scanned directly from paper maps. There are two types of data available: (data1: geometrically corrected data) and (data2: raw image data). Map compilation from air photographs of 1986, controlled by triangulation points established by Japan Antarctic Research Expeditions, 1984, 1985.本数据集直接扫描自纸质地图。本次提供两类数据：（数据1：几何校正数据（geometrically corrected data））与（数据2：原始图像数据（raw image data））。该地图数据集由1986年的航空摄影资料编绘而成，其制图控制采用日本南极考察队1984年、1985年设立的三角测量点。