Forschungsarbeit aus dem Jahr 1979 im Fachbereich Ingenieurwissenschaften - Bergbau, Note: Sehr gut, Technische Universität Berlin (Institut für Angewandte Geophysik, Petrologie und Lagerstättenfors……続きを見る
In the past 13 years since the publication of Longwall Mining, 2nd edition in 2006, although there have been no major changes in longwall mining technology and operations, many incremental developme……続きを見る
California’s Calaveras Countyーmade famous by Mark Twain and his celebrated Jumping Frogーis the focus of this comprehensive study of Mother Lode mining. Most histories of the California Mother Lode……続きを見る
