000 00355nam a2200157Ia 4500
008 140317s9999 xx 000 0 und d
082 _a553
100 _aHoover,Herbert C.
245 _aPrinciples of mining.
260 _aNew York
_bMcGraw Hill
_c1909
300 _a199
650 _aGeology
653 _aGeology
653 _aMining
942 _2ddc
_cBK
999 _c847
_d847