Result of control point survey implemented by Japanese Antarctic Research Expeditions 1974-1976. Resurvey results from GNSS survey 2011-2012. Projection : Universal Transverse Mercator(Zone 35) Geodetic reference coordinate system:ITRF2000 (Epoch 2000.0) Geodetic reference system:GRS80, Survey in 1989. Map compilation from aerial photographs of 1986. Map revision in 2010. Transition to the World Geodetic System. Map revision in 2015. Contour lines generation and Terrain compilation from the image data of the Advanced Land Observing Satellite "Daichi (ALOS)" (2006-2011).