Functioning of the Primary Aquifer Relating to the Maider Basin, Morocco: Case of the Ordovician aquifer.E. Ben-said, A. Boukdir, A. Mahboub, A. Younsi, A. Zitouni, L. Alili and H. IkhmerdiE3S Web Conf., 37 (2018) 01001DOI: https://doi.org/10.1051/e3sconf/20183701001