000			00499pam a2200181a 44500
008			160408b1977 xxu||||| |||| 00| 0 eng d
082			_a628.162 _bC548w3
100			_aClark, John William
245	1		_aWATER SUPPLY AND POLLUTION CONTROL
260			_aNew York _bHarper And Row _c1977
300			_axvii,875
650			_aWater -- Purification
650			_aWater -- Supply, Industrial
650			_aWater -- Pollution
700			_aHammer, Mark J.
964			_gCIRC
997			_aA76643 C
999			_c300505 _d300505