Journal of the Association of Engineering Societies (1881)
Association of Engineering Societies (U.S.) · New York, [etc.] Board of Managers · leaf 177
OPERATION OF SEWERAGE WORKS. 143 of only 25 000 gal., or 41 000 gal. per acre per day, is run upon the beds, but the character of the sewage is such that it is fortu- nate the quantities are no larger. Although the material is much more uniform and better adapted for filtering purposes than that on… … It is not possible to give even an approximate estimate of the cost of building these beds, as the work was done by the men employed in the pork department when there was nothing else for them to do. The cost of maintenance is abotit $300 per year. Leroy Coolidge's. This plant consists of a livery…
Engineering
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