Figure 1

Location of Thomas Quarry I and all the archaeological sites cited in the text. North-Africa map: modified by R. Gallotti after NASA/JPL/NIMA, public ___domain, via Wikimedia Commons. Casablanca map: modified by M. Rué and R. Gallotti after NASA/SRTM, 1 arc second global elevation data, created using the free and open source software QGIS v3.18.2 (http://www.qgis.org).