000			00603nam a22002178a 4500
001			00429635
003			PWmBRO
005			20240602100051.0
008			840521s1983 enka a c0011 eng l
020			_a0412246309
082	0	0	_a622 _b.32
090	0	0	_b622.32/M188
100	1	0	_aMacdonald, Eoin H.
245	1	0	_aAlluvial mining : _bthe geology, technology, and economics of placers / _cEoin H. Macdonald.
260	0	0	_aLondon : _bChapman and Hall, _c1983,
300	0	0	_axv, 508 p. : _bill. ; _c24 cm.
650	0	0	_aHydraulic mining.
650	0	0	_aPlacer deposits.
942			_2ddc
999			_c19286 _d19286