000			003490000a22001450004500
245			_aEnvironmental impact of mining
100			_aDown, C.G.
100			_aStocks, J.
260			_aLondon _bApplied Science _c1977
300			_aix, 371p. ; ill., photos
020			_a0853347166
080			_a622:628.5 _bD6
041			_aEN
942			_cBK _02
999			_c114145 _d114145