As societies continue to grow and develop, the demand for energy has increased worldwide. In China, coal still is one of the principal energy resources and it is expected that more coal mining projects are needed in the future. As mining operations continue to increase their production rates and discover more ore reserves, mine safety issues have become more urgent. Even more than in the past there is a greater need to understand these issues better. Progress in Mine Safety Science and Engineering II discusses mine safety techniques and technologies, methods and approaches, as well as...