000 00498nam a2200169 4500
008 220307t1978 ||||| |||| 00| 0 eng d
020 _a0660100045
041 _aeng
080 _a624.12
_bC6
100 _aCoates, D.F.
245 _aRock mechanics principles
260 _aOttawa
_bMinister of Supply and Services Canada
_c1978
300 _ax, 354, [98]p. : ill.,
_bIndex included
500 _aMines Branch Monograph 874 (Revised 1970)
650 _aROCK MECHANICS
942 _cBK
_01
999 _c180117
_d180117