000 00441pam a2200157a 44500
008 160408b1983 xxu||||| |||| 00| 0 eng d
082 _a622.32
_bM145a
100 _aMacdonald, Eoin H.
245 1 _aALLUVIAL MINING
_cTHE GEOLOGY, TECHNOLOGY AND ECONOMICS OF PLACERS
260 _aLondon
_bChapman And Hall
_c1983
300 _axv,508
650 _aHydraulic Mining
650 _aPlacer Deposits
964 _gCIRC
997 _aA81855 C
999 _c306590
_d306590