GeoTIFF DEM converted from 10m / 5m / 1m resolution DEM by Geospatial Information Authority of Japan (GSI). Approval for Reproduction pursuant to the Survey Act, granted by the Director-General of the Geospatial Information Authority of Japan (R8JHf51). When reproducing this product in order to make it available to the general public, approval from the Director-General of the Geospatial Information Authority of Japan must be obtained.