Home › Authors › Workshop Generic Mineral Technology Center, Mine Systems Design and Ground Control (7th 1989 Blacksburg, Va.) 👤 Workshop Generic Mineral Technology Center, Mine Systems Design and Ground Control (7th 1989 Blacksburg, Va.) 1 book Books by Workshop Generic Mineral Technology Center, Mine Systems Design and Ground Control (7th 1989 Blacksburg, Va.) Proceedings [of the] Seventh A Proceedings [of the] Seventh Annual Workshop Generic Mineral Technology Center, Mine Systems Design and Ground Control 1989