Diagnosis of the Ghiss Nekor aquifer in order to elaborate the aquifer contract Wissal Baite, A. Boukdir, A. Zitouni, S. D. Dahbi, H. Mesmoudi, A. Elissami, E. Sabri and H. Ikhmerdi E3S Web Conf., 37 (2018) 01006 Published online: 25 May 2018 DOI: 10.1051/e3sconf/20183701006