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5 treff

Principles of rock fragmentation
Clark, George Bromley
Bok Språk ikke angitt 1987
Elements of mining
Lewis, Robert S.
Bok Engelsk 1964
Experimentation with large hole burn cut drift rounds
by Joseph J. Yancik, Jr. and George B. Cl...
Bok Engelsk 1956
Stresses around mine openings in some simple geologic structures
Caudle, Rodney Duane
Bok Engelsk 1955
A multitube differential pressure manometer for measuring the average flow of fluids in closed ducts
Clark, George Bromley
Bok Engelsk 1953