“…These include Al Aqiq to the west (Greenwood, 1975a), Biljurshi to the southwest (Greenwood, 1975b), Wadi Tarj to the south (Anderson, 1977), Wadi Harjab to the southeast (Cornwall, 1973), Al Junaynah to the east (Schmidt,/?? *£, /ffOjWadi al Miyah to the northeast (Schmidt,^, »»uW), and Al Ufayriyah to the north (Greene, 1982 ; Figure 1 .-Index map of western Saudi Arabia showing location of the Thaniyah quadrangle (shaded) and other quadrangles referred to in this report: A Southern Najd, Jackson and others, 1963;B Al Ufayriyah, Greene, 1982, 1983; C-Wadi al Miyah, Schmidt,iri/> »*<*«; D Al Aqiq, Greenwood, 1975a;E Al Junaynah, Schmidt, 198 /;F-Biljurshi, Greenwood, 1975b;G-Wadi Tarj, Anderson, 1977;H-Wadi Harjabi ComwaU, 1973;I-An Nimas, Greenwood, 1980;J-Wadi Hali, Hadley, 1975. .…”