Geophysical prospecting in the Doukkala area (Swalah commune) in Morocco Halima Soussi, Lahcen Bahi, Latifa Ouadif, Mohamed Chibout, Brahim Aghazzaf, Jada El Kasri and Imane Jaouda E3S Web Conf., 150 (2020) 03008 Published online: 12 February 2020 DOI: 10.1051/e3sconf/202015003008