01034cam a2200229Ii 4500005748670MiAaHDL20071024000000.0m d cr bn ---auaua780609s1890 ncuaf 000 0 eng d101223942DNLMsdr-wu6705771(OCoLC)3962189DLMDLMOCLCQNLMGZMW6P3 v.7481 box 945 no.16TD746.5.W36Waring, George E.(George Edwin),1833-1898.The purification of sewage by bacterial oxidation :a study of the natural processes of filth removal and of the means by which their efficiency may be artificially intensified /by Geo. E. Waring ; including a description of works for sewage disposal at Willow Grove Park, Philadelphia, Pa.Charlotte, N.C. :Observer Print,[189-]28 p., 6 leaves of plates :ill. ;19 cm.Mode of access: Internet.SewagePurification.Sewage (Purification of, Methods of bacterial)00574867020071024102508.020071024000000.020120815133207.02025-06-12T18:13:28Z2025-06-12T17:30:02ZSDR-WUUNKNOWNloader.pl-001-001BKsdr-wu6705771wuSDRWUwu.89088903240WU6705771WUWU20250612googlewu.890889032401890pdbibUS bib date1 < 1931