Scott, C. 2000. Sahara Overland: A Route and Planning Guide. Trailblazer Publications. 544 p. . Zittel, K.A. von. 1875. Briefe aus der libyschen Wüste (Letters from the Libyan Desert). München. External links A detailed map of Egypt (including the Qattara Depression) from 1955 by the Army Map Service, US Army, scale 1: 250,000 Mediterranean-Qattara Hydro-electric Proposal Deserts of Egypt Depressions (geology) Landforms of Egypt Lowest points Western Desert (Egypt) Basins of Africa