000 002960000a22001090004500
245 _aCanadian Mining Journal : Reference Manual and Buyers Guide 1979
250 _a88th ed.
260 _aMontreal
_bSoutham Business Publishing
_c1979
080 _a622(058)
_bC3
041 _aEN
942 _cBK
999 _c109694
_d109694