DEPARTMENT: Montana Bureau of Mines and Geology A non-regulatory state agency, within the Montana Technological University, The Montana Bureau of Mines and Geology (MBMG) provides extensive advisory, technical, and informational services on the State's geologic, mineral, energy, and water resources. The MBMG is increasingly involved in studies of the environmental impacts to land and water caused either by past practices in hard-rock mining or by current activities in agriculture and industry. ...