Badamasi, H., Umar Faruk Hassan and Harami Malgwi Adamu 2022. Physico-chemical Properties and Heavy metal Contamination Levels of Soils from Riruwai Mining Area, North-western Nigeria. Malaysian Journal of Applied Sciences. 7, 2 (Oct. 2022), 29-43. DOI:https://doi.org/10.37231/myjas.2022.7.2.324.