Dr. Hambley has over 34 years of experience in mining engineering and geology throughout North America and overseas. Doug’s expertise includes resource and reserve estimation for evaporites, uranium, base metals and aggregates; hard rock underground mine, shaft and tunnel design; ground control in underground facilities in limestone and dolomite; blasting and blast vibration control; ventilation design for underground stone and uranium mines; design of underground facilities for nuclear waste; hydrogeology in glacial materials and sedimentary rock; and site remediation. Doug holds a PhD in Earth Sciences from the University of Waterloo, Canada, an MBA from Lewis University, Illinois, and a B.Sc. (Honours) in Mining Engineering from Queen’s University in Canada. He is a Professional Engineer in Colorado, Illinois, Michigan, Ohio, Pennsylvania, Wisconsin, and Provinces of Ontario and Saskatchewan.  He is a Professional Geologist in the states of Illinois and Indiana.  He is an active member of the Society for Mining, Metallurgy, and Exploration of AIME; the Canadian Institute of Mining, Metallurgy, and Petroleum; the Society of Petroleum Engineers; and the Society of Exploration Geophysicists. (Fluent in French and working knowledge of Spanish and German. Reading knowledge of Portuguese.)