NASAThis image covers: Sila (Chad), Central Darfur (Sudan), North Darfur (Sudan), West Darfur (Sudan),TIFF74eb20e7-e8c7-452e-b172-1bab1de6390dengGLCFPublicLandsat ETM+Landsat ETM+: p179r051_7k20021106Imagery2002University of Chicago