1. Geographic map of the Southern Tuwayq quadrangle, Kingdom of Saudi Arabia [cartographic material]
1956. 2012-08-27T15:33:42Z. 2013-03-18T22:15:10Z. The Survey. English. Public. Saudi Arabia.
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1956. 2012-08-27T15:28:04Z. 2015-03-17T22:02:56Z. Geological Survey (U.S.). U.S. Geological Survey. English&Arabic. Public. Saudi Arabia.
