Robert J. Fleck / Robert Griffin Coleman / Henry Rowland Cornwall / William R. Greenwood / Donald G. Hadley / William C. Prinz / James Clifford Ratté / Dwight Lyman Schmidt / Geological Survey (U.S.). Saudi Arabian Project / Saudi Arabia. Mudīrīyah al-ʻĀmmah lil-Tharwah al-Maʻdinīyah |