Now showing items 1-6 of 6
Study of the development of rock drill bits with special reference to the Calumet and Hecla Copper Company bits, A
Author(s):Singh, Param Jit
Rock tunneling for underground protective construction
Author(s):Jones, Bruce D.
Investigation of tungsten carbide insert drill bits, An
Author(s):Foster, Ralph K.
Behavior of rocks and rock masses in relation to military geology, The
Author(s):McCutchen, Wilmot R.
Stresses in mine drift timber sets
Author(s):Netarwala, Minoo P.
Stresses caused by the broken rock on an underground opening
Author(s):Seyhun, Suat M.