Mendoza-Amézquita, E.; Armienta-Hernández, M. A.; Ayora, C.; Soler, A.; Ramos-Ramírez, E. Potential Lixiviation of Trace Elements in Tailings from the Mines La Asunción and Las Torres in the Guanajuato Mining District, Mexico. revmexcg 2018, 23, 75-83.