000 00290nam a2200121 a 4500
003 EIA
001 1907
942 _02
_2ddc
_cBK
245 _aMining of alluvial deposits by dredging and hydraulicking
260 _c1929
008 141112s1929 ck r 000 u spa d
082 _a622.32
_bT496
999 _c9977
_d9977