Al Riyadh & Al Kharj in 1972

Source U.S. Geological Survey 

USGS (Riyadh, Landsat 1 MSS, 24 September 1972)

Al Riyadh & Al Kharj in 1990

Source U.S. Geological Survey

USGS (Riyadh, Landsat 4 TM, 31 August 1990)

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