000			00385cam a22001457a 4500
008			180718b1950 xxu||||| |||| 00| 0 eng d
082			_aX8 Eh56
100			_aEhlers, V.M.
245			_aMunicipal and rural sanitation _cby V.M. Ehlers and E.W. Steel
250			_a4th ed.
260			_aNew York _bMcGraw-Hill _c1950
300			_a548p.
650			_aSanitation
700			_aSteel, E.W.
999			_c364833 _d364833