"Pillar of Sand points the way toward protecting rivers and vital ecosystems even as we aim to produce enough food for a projected 8 billion people by the year
Covering the subject of ground control in mining, this volume looks at such topics as: rock-slab theory of ground pressure in work and practice, the role of in
Prophecy declared that corrupt politician Corajidin would rule the Shrianese Federation, even become its new Emperor--and sinister magic has helped him defy dea
Professionals and students in any geology-related field will find this an essential reference. It clearly and systematically explains underground engineering ge