Beyond the Levant: First Evidence of a Pre-Pottery Neolithic Incursion into the Nefud Desert, Saudi Arabia
Potential Holocene drainage is displayed in blue, with currently severed drainage connections that may have been active during Holocene humid periods interpreted and displayed in grey. Numbered Wadis: (1) Wadi as Sirhan, (2) Wadi al Hamd, (3) Euphrates, (4) Wadi al Batin, (5) Wadi Sabha. Potential palaeolake or swamp deposits detected through remote sensing which may relate to Holocene humidity are displayed for the region surrounding Jubbah. All data is overlain upon SRTMv4 elevation data  and Natural Earth 2 offshore data. Archaeological site locations calculated from survey data of the ‘Comprehensive Archaeological Survey Programme’, more information is provided in Groucutt and Petraglia .