r, with diameters increasing from 4 feet 6 of Mystic River, is brought to East Boston without Ground was first broken for the metropolitan sewer- inches to 5 feet. The bottom of the sewer here reaches pumping. age construction in May, 1890. There are now twenty- the level of low tide. Passing under… … feet above low water at the upper the remainder, and, unless some unforeseen delay end, passing through Breeds Island and Winthrop to on the map on front page. The Chelsea River is occurs, the whole work may be completed in 1894. another pumping station in Deer Island, a distance of crossed by two…
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