United States Hydrographic Office (USA); Center for Ancient Middle Eastern Landscapes, Institute for the Study of Ancient Cultures, University of Chicago
U.S. Hydrographic Office (2016). Air Navigation Chart: Lower Saharra V30-38. U.S. Hydrographic Office. https://isac-idb.uchicago.edu/id/02f70070-a772-4f74-82c3-b134c002d0f7 (map)