000			00716cam a22001691 4500
082			_a628.352 _bFIL _cD
110	2		_aAmerican Society of Civil Engineers. _9702
245	1	0	_aFiltering materials for sewage treatment plants, _cprepared by the Committee of the Sanitary engineering division on filtering materials for water and sewage works. Adopted October 13, 1935.
260			_aNew York, N.Y., _bHeadquarters of the Society, _c1937.
300			_a40 p. _bdiagrs. _c23 cm.
490	0		_aAm. Soc. C. E. Manuals of engineering practice.
500			_aCover-title.
526			_a0 _b0 _c0 _d628_352000000000000_FIL
650		0	_aFilters and filtration. _97375
650		0	_aSewage _xPurification. _9265
942			_2ddc _cBK
999			_c547988 _d547988