Mwale, Timothy Phenomenology of control blasting in close proximity to densely populated communities : a case study of Mopan's area J open pit / Mwale Timothy. - Lusaka: The University of Zambia, 2016. - xiii, 163 pages: illustrations. Includes bibliographical references. Subjects--Topical Terms: Blasting--Safety measuresGeotechnical engineeringNatural disasters