NASAThis image covers: Northern (Sudan), River Nile (Sudan), Napata, al-Widay/Hosh al-Guruf/Umm GebirTIFF5938d518-db03-41a0-87c0-20cb25af3a89engGLCFPublicLandsat ETM+Landsat ETM+: p174r047_7k20011031Imagery2001University of Chicago