Download Public Works, 1920, Vol. 48 (Classic Reprint) - Unknown file in PDF Online

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Excerpt from Public Works, 1920, Vol. 48All of this deposit was flushed back into the river. The periods between cleanings of the grit chamber varied from 4 to 14 days. Of the other suspended matter, collected in the basins, about tons was removed by laborers and teams and the remainder was flushed out through the sewer by opening the mud gates about 6 inches for a

Title : Public Works, 1920, Vol. 48 (Classic Reprint)
Author : Unknown
Language : en
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Uploaded : Apr 05, 2021

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