Oahu SRTM elevation map

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Map details

Map created with 3DEM from en:National Elevation Dataset (http://seamless.usgs.gov/)
The Shuttle Radar Topography Mission (SRTM) was flown aboard the space shuttle Endeavour February 11-22, 2000. The National Aeronautics and Space Administration (NASA) and the National Geospatial-Intelligence Agency (NGA) participated in an international project to acquire radar data which were used to create the first near-global set of land elevations.