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Abstract:
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 Feb. 5, 1959, Mar. 2, 1975 and Jan. 6, 1981, controlled by triangulation points established by Japan Antarctic Research Expeditions, 1977, 1979 and 1980.