Reproduction of a black-and-white illustration showing a blockhouse, or fort, overlooking a river valley. The illustration subtitle states that the site is at Ghail Hardaba [Ḩaḑabah], 16 miles south of Dala [Aḑ Ḑāli‘]. The map is signed Major A Crawford, and dated 6 December 1903. Key topographical features are annotated, and in the bottom-right corner of the illustration is a small plan of the fort, showing the location of its entrance door.1 illustrationDimensions:250 x 330 mm.