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Scientific American, Vol. 93, No. 24 (December 1905) (1905)

leaf 3

An illustration from Scientific American, Vol. 93, No. 24 (December 1905), 1905, leaf 3
a degree to some present. The second is the insignificant bulk in sew- is known as land treatment, broad irrigation, or sew- age farming. It was understood for a long time that age that requires purification. As many as 115,000,000 other community, and has established the modern evil bacteria have… … It would be A Small Septic Tank and Contact Bed. A Domestic Sewage Disposal Plant. a practical foolish to method. In make laws against the passing of sewage into streams some cases, however, most successful results have been of soil from a trench along which sewage had been obtained by land…

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