000 00256pam a2200109a 44500
082 _aTR
_bIC-9268
100 _aF. P. Sands
245 1 _aBlind pneumatic stowing in voids in abandoned mines
260 _a
_b
_c
700 _aM. T. Ruff
997 _aTR6476 C
999 _c405707
_d405707