t is to say, the converting of made. Schloesing and Muntz in Prance, Warrington bacteria. The liquid passes on through the earth, and organic substances into inorganic. The same kind of and Frankland in England, and the Massachusetts is attacked by millions of micro-organisms, which State Board of… … sewage treat- by means o f A Municipal Sewage Disposal Plant. the water car- ment. Many riage sewerage systems, they are able to have the conversion of foliage into dried-up dead leaves and in have proved utterly worthless, but there are several which have been operated with entire satisfaction.…
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