Trenchless technology planning, equipment, and methods gan Najafi, Mohammad

Horizontal auger boring projects

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Ice drilling technology 2000 proceedings of the Fifth International Workshop on Ice Drilling Technology, 30 October-1 November, 2000, Nagaoka University of Technology, Nagaoka

Principles of rock drilling gan Rao Karanam, U. M.

High technology in drilling and exploration C.P. Chugh gan Chugh, C.P

Principles of rock fragmentation gan Clark, George Bromley 1912-

A device for measuring drill rod and drill hole orientations gan Matheson, G. D.

Exploratory drilling gan Vozdvizhenskiĭ, Boris I.

Novel drilling techniques gan Maurer, William C.

Mineral formation and structure in the electrochemical induration of weak rocks gan Titkov, Nikilai Iosafovich